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Finding the Fourth Proportional to 402,901.42, 604,251.62 and 118,535.35

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Solution

The fourth proportional to 402,901.42, 604,251.62 and 118,535.35 is: 177,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,901.42 : 604,251.62 = 118,535.35 : x
  2. Step 2: Convert to fraction form
    402,901.42/604,251.62 = 118,535.35/x
  3. Step 3: Cross multiply
    402,901.42x = 604,251.62 × 118,535.35
  4. Step 4: Simplify right side
    402,901.42x = 71,625,175,605.97
  5. Step 5: Solve for x
    x = 71,625,175,605.97/402,901.42
  6. Step 6: Final answer
    x = 177,773.45

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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.