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Finding the Fourth Proportional to 577,840.13, 866,191.57 and 337,649.21

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Solution

The fourth proportional to 577,840.13, 866,191.57 and 337,649.21 is: 506,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,840.13 : 866,191.57 = 337,649.21 : x
  2. Step 2: Convert to fraction form
    577,840.13/866,191.57 = 337,649.21/x
  3. Step 3: Cross multiply
    577,840.13x = 866,191.57 × 337,649.21
  4. Step 4: Simplify right side
    577,840.13x = 292,468,893,299.96
  5. Step 5: Solve for x
    x = 292,468,893,299.96/577,840.13
  6. Step 6: Final answer
    x = 506,141.54

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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.