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Finding the Fourth Proportional to 354,322.61, 531,493.13 and 101,592.89

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Solution

The fourth proportional to 354,322.61, 531,493.13 and 101,592.89 is: 152,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,322.61 : 531,493.13 = 101,592.89 : x
  2. Step 2: Convert to fraction form
    354,322.61/531,493.13 = 101,592.89/x
  3. Step 3: Cross multiply
    354,322.61x = 531,493.13 × 101,592.89
  4. Step 4: Simplify right side
    354,322.61x = 53,995,919,926.42
  5. Step 5: Solve for x
    x = 53,995,919,926.42/354,322.61
  6. Step 6: Final answer
    x = 152,391.97

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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.