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Finding the Fourth Proportional to 328,793.52, 493,148.72 and 104,176.74

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Solution

The fourth proportional to 328,793.52, 493,148.72 and 104,176.74 is: 156,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,793.52 : 493,148.72 = 104,176.74 : x
  2. Step 2: Convert to fraction form
    328,793.52/493,148.72 = 104,176.74/x
  3. Step 3: Cross multiply
    328,793.52x = 493,148.72 × 104,176.74
  4. Step 4: Simplify right side
    328,793.52x = 51,374,625,984.77
  5. Step 5: Solve for x
    x = 51,374,625,984.77/328,793.52
  6. Step 6: Final answer
    x = 156,251.94

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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.