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Finding the Fourth Proportional to 650,718.60, 974,109.60 and 579,859.80

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Solution

The fourth proportional to 650,718.60, 974,109.60 and 579,859.80 is: 868,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,718.60 : 974,109.60 = 579,859.80 : x
  2. Step 2: Convert to fraction form
    650,718.60/974,109.60 = 579,859.80/x
  3. Step 3: Cross multiply
    650,718.60x = 974,109.60 × 579,859.80
  4. Step 4: Simplify right side
    650,718.60x = 564,846,997,834.08
  5. Step 5: Solve for x
    x = 564,846,997,834.08/650,718.60
  6. Step 6: Final answer
    x = 868,035.73

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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.