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Finding the Fourth Proportional to 423,505.79, 584,439.14 and 232,531.55

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Solution

The fourth proportional to 423,505.79, 584,439.14 and 232,531.55 is: 320,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,505.79 : 584,439.14 = 232,531.55 : x
  2. Step 2: Convert to fraction form
    423,505.79/584,439.14 = 232,531.55/x
  3. Step 3: Cross multiply
    423,505.79x = 584,439.14 × 232,531.55
  4. Step 4: Simplify right side
    423,505.79x = 135,900,539,104.87
  5. Step 5: Solve for x
    x = 135,900,539,104.87/423,505.79
  6. Step 6: Final answer
    x = 320,894.17

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