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Finding the Fourth Proportional to 650,715.60, 974,105.10 and 579,856.80

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Solution

The fourth proportional to 650,715.60, 974,105.10 and 579,856.80 is: 868,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,715.60 : 974,105.10 = 579,856.80 : x
  2. Step 2: Convert to fraction form
    650,715.60/974,105.10 = 579,856.80/x
  3. Step 3: Cross multiply
    650,715.60x = 974,105.10 × 579,856.80
  4. Step 4: Simplify right side
    650,715.60x = 564,841,466,149.68
  5. Step 5: Solve for x
    x = 564,841,466,149.68/650,715.60
  6. Step 6: Final answer
    x = 868,031.24

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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.