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Finding the Fourth Proportional to 508,447.53, 762,372.27 and 192,926.61

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Solution

The fourth proportional to 508,447.53, 762,372.27 and 192,926.61 is: 289,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,447.53 : 762,372.27 = 192,926.61 : x
  2. Step 2: Convert to fraction form
    508,447.53/762,372.27 = 192,926.61/x
  3. Step 3: Cross multiply
    508,447.53x = 762,372.27 × 192,926.61
  4. Step 4: Simplify right side
    508,447.53x = 147,081,897,609.11
  5. Step 5: Solve for x
    x = 147,081,897,609.11/508,447.53
  6. Step 6: Final answer
    x = 289,276.45

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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.