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Finding the Fourth Proportional to 586,720.24, 880,105.38 and 207,644.20

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Solution

The fourth proportional to 586,720.24, 880,105.38 and 207,644.20 is: 311,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,720.24 : 880,105.38 = 207,644.20 : x
  2. Step 2: Convert to fraction form
    586,720.24/880,105.38 = 207,644.20/x
  3. Step 3: Cross multiply
    586,720.24x = 880,105.38 × 207,644.20
  4. Step 4: Simplify right side
    586,720.24x = 182,748,777,545.80
  5. Step 5: Solve for x
    x = 182,748,777,545.80/586,720.24
  6. Step 6: Final answer
    x = 311,475.15

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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.