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Finding the Fourth Proportional to 559,664.30, 839,496.45 and 548,000.30

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Solution

The fourth proportional to 559,664.30, 839,496.45 and 548,000.30 is: 822,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,664.30 : 839,496.45 = 548,000.30 : x
  2. Step 2: Convert to fraction form
    559,664.30/839,496.45 = 548,000.30/x
  3. Step 3: Cross multiply
    559,664.30x = 839,496.45 × 548,000.30
  4. Step 4: Simplify right side
    559,664.30x = 460,044,306,448.94
  5. Step 5: Solve for x
    x = 460,044,306,448.94/559,664.30
  6. Step 6: Final answer
    x = 822,000.45

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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.