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Finding the Fourth Proportional to 580,614.13, 871,206.52 and 260,991.83

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Solution

The fourth proportional to 580,614.13, 871,206.52 and 260,991.83 is: 391,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,614.13 : 871,206.52 = 260,991.83 : x
  2. Step 2: Convert to fraction form
    580,614.13/871,206.52 = 260,991.83/x
  3. Step 3: Cross multiply
    580,614.13x = 871,206.52 × 260,991.83
  4. Step 4: Simplify right side
    580,614.13x = 227,377,782,655.46
  5. Step 5: Solve for x
    x = 227,377,782,655.46/580,614.13
  6. Step 6: Final answer
    x = 391,616.00

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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.