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Finding the Fourth Proportional to 500,761.63, 750,617.56 and 185,017.15

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Solution

The fourth proportional to 500,761.63, 750,617.56 and 185,017.15 is: 277,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,761.63 : 750,617.56 = 185,017.15 : x
  2. Step 2: Convert to fraction form
    500,761.63/750,617.56 = 185,017.15/x
  3. Step 3: Cross multiply
    500,761.63x = 750,617.56 × 185,017.15
  4. Step 4: Simplify right side
    500,761.63x = 138,877,121,691.15
  5. Step 5: Solve for x
    x = 138,877,121,691.15/500,761.63
  6. Step 6: Final answer
    x = 277,331.79

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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.