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Finding the Fourth Proportional to 706,685.44, 975,294.72 and 527,526.40

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Solution

The fourth proportional to 706,685.44, 975,294.72 and 527,526.40 is: 728,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,685.44 : 975,294.72 = 527,526.40 : x
  2. Step 2: Convert to fraction form
    706,685.44/975,294.72 = 527,526.40/x
  3. Step 3: Cross multiply
    706,685.44x = 975,294.72 × 527,526.40
  4. Step 4: Simplify right side
    706,685.44x = 514,493,712,580.61
  5. Step 5: Solve for x
    x = 514,493,712,580.61/706,685.44
  6. Step 6: Final answer
    x = 728,037.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.