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Finding the Fourth Proportional to 423,294.96, 584,156.60 and 232,320.56

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Solution

The fourth proportional to 423,294.96, 584,156.60 and 232,320.56 is: 320,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,294.96 : 584,156.60 = 232,320.56 : x
  2. Step 2: Convert to fraction form
    423,294.96/584,156.60 = 232,320.56/x
  3. Step 3: Cross multiply
    423,294.96x = 584,156.60 × 232,320.56
  4. Step 4: Simplify right side
    423,294.96x = 135,711,588,439.70
  5. Step 5: Solve for x
    x = 135,711,588,439.70/423,294.96
  6. Step 6: Final answer
    x = 320,607.62

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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.