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Finding the Fourth Proportional to 579,226,446.65, 868,839,669.98 and 579,226,446.65

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Solution

The fourth proportional to 579,226,446.65, 868,839,669.98 and 579,226,446.65 is: 868,839,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,226,446.65 : 868,839,669.98 = 579,226,446.65 : x
  2. Step 2: Convert to fraction form
    579,226,446.65/868,839,669.98 = 579,226,446.65/x
  3. Step 3: Cross multiply
    579,226,446.65x = 868,839,669.98 × 579,226,446.65
  4. Step 4: Simplify right side
    579,226,446.65x = 503,254,914,748,177,920
  5. Step 5: Solve for x
    x = 503,254,914,748,177,920/579,226,446.65
  6. Step 6: Final answer
    x = 868,839,669.98

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.