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Finding the Fourth Proportional to 423,517.70, 584,455.43 and 232,543.39

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Solution

The fourth proportional to 423,517.70, 584,455.43 and 232,543.39 is: 320,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,517.70 : 584,455.43 = 232,543.39 : x
  2. Step 2: Convert to fraction form
    423,517.70/584,455.43 = 232,543.39/x
  3. Step 3: Cross multiply
    423,517.70x = 584,455.43 × 232,543.39
  4. Step 4: Simplify right side
    423,517.70x = 135,911,246,996.11
  5. Step 5: Solve for x
    x = 135,911,246,996.11/423,517.70
  6. Step 6: Final answer
    x = 320,910.43

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1.5x scale

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.