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Finding the Fourth Proportional to 579,968.90, 868,570.95 and 579,968.90

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Solution

The fourth proportional to 579,968.90, 868,570.95 and 579,968.90 is: 868,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,968.90 : 868,570.95 = 579,968.90 : x
  2. Step 2: Convert to fraction form
    579,968.90/868,570.95 = 579,968.90/x
  3. Step 3: Cross multiply
    579,968.90x = 868,570.95 × 579,968.90
  4. Step 4: Simplify right side
    579,968.90x = 503,744,138,443.46
  5. Step 5: Solve for x
    x = 503,744,138,443.46/579,968.90
  6. Step 6: Final answer
    x = 868,570.95

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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.