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Finding the Fourth Proportional to 565,517.88, 779,836.08 and 374,461.56

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Solution

The fourth proportional to 565,517.88, 779,836.08 and 374,461.56 is: 516,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,517.88 : 779,836.08 = 374,461.56 : x
  2. Step 2: Convert to fraction form
    565,517.88/779,836.08 = 374,461.56/x
  3. Step 3: Cross multiply
    565,517.88x = 779,836.08 × 374,461.56
  4. Step 4: Simplify right side
    565,517.88x = 292,018,635,061.09
  5. Step 5: Solve for x
    x = 292,018,635,061.09/565,517.88
  6. Step 6: Final answer
    x = 516,373.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.