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Finding the Fourth Proportional to 423,372.16, 584,255.46 and 232,387.12

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Solution

The fourth proportional to 423,372.16, 584,255.46 and 232,387.12 is: 320,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,372.16 : 584,255.46 = 232,387.12 : x
  2. Step 2: Convert to fraction form
    423,372.16/584,255.46 = 232,387.12/x
  3. Step 3: Cross multiply
    423,372.16x = 584,255.46 × 232,387.12
  4. Step 4: Simplify right side
    423,372.16x = 135,773,443,693.68
  5. Step 5: Solve for x
    x = 135,773,443,693.68/423,372.16
  6. Step 6: Final answer
    x = 320,695.26

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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.