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Finding the Fourth Proportional to 423,502.67, 584,434.82 and 232,528.43

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Solution

The fourth proportional to 423,502.67, 584,434.82 and 232,528.43 is: 320,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,502.67 : 584,434.82 = 232,528.43 : x
  2. Step 2: Convert to fraction form
    423,502.67/584,434.82 = 232,528.43/x
  3. Step 3: Cross multiply
    423,502.67x = 584,434.82 × 232,528.43
  4. Step 4: Simplify right side
    423,502.67x = 135,897,708,791.08
  5. Step 5: Solve for x
    x = 135,897,708,791.08/423,502.67
  6. Step 6: Final answer
    x = 320,889.86

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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.