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Finding the Fourth Proportional to 376,432.29, 564,528.66 and 123,654.12

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Solution

The fourth proportional to 376,432.29, 564,528.66 and 123,654.12 is: 185,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,432.29 : 564,528.66 = 123,654.12 : x
  2. Step 2: Convert to fraction form
    376,432.29/564,528.66 = 123,654.12/x
  3. Step 3: Cross multiply
    376,432.29x = 564,528.66 × 123,654.12
  4. Step 4: Simplify right side
    376,432.29x = 69,806,294,667.08
  5. Step 5: Solve for x
    x = 69,806,294,667.08/376,432.29
  6. Step 6: Final answer
    x = 185,441.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.