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Finding the Fourth Proportional to 602,902.40, 903,171.20 and 349,650.83

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Solution

The fourth proportional to 602,902.40, 903,171.20 and 349,650.83 is: 523,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,902.40 : 903,171.20 = 349,650.83 : x
  2. Step 2: Convert to fraction form
    602,902.40/903,171.20 = 349,650.83/x
  3. Step 3: Cross multiply
    602,902.40x = 903,171.20 × 349,650.83
  4. Step 4: Simplify right side
    602,902.40x = 315,794,560,221.77
  5. Step 5: Solve for x
    x = 315,794,560,221.77/602,902.40
  6. Step 6: Final answer
    x = 523,790.52

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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.