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Finding the Fourth Proportional to 423,372.66, 584,256.15 and 232,387.62

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Solution

The fourth proportional to 423,372.66, 584,256.15 and 232,387.62 is: 320,695.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,372.66 : 584,256.15 = 232,387.62 : x
  2. Step 2: Convert to fraction form
    423,372.66/584,256.15 = 232,387.62/x
  3. Step 3: Cross multiply
    423,372.66x = 584,256.15 × 232,387.62
  4. Step 4: Simplify right side
    423,372.66x = 135,773,896,168.86
  5. Step 5: Solve for x
    x = 135,773,896,168.86/423,372.66
  6. Step 6: Final answer
    x = 320,695.95

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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.