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Finding the Fourth Proportional to 604,465.80, 834,129.85 and 332,489.78

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Solution

The fourth proportional to 604,465.80, 834,129.85 and 332,489.78 is: 458,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,465.80 : 834,129.85 = 332,489.78 : x
  2. Step 2: Convert to fraction form
    604,465.80/834,129.85 = 332,489.78/x
  3. Step 3: Cross multiply
    604,465.80x = 834,129.85 × 332,489.78
  4. Step 4: Simplify right side
    604,465.80x = 277,339,654,277.14
  5. Step 5: Solve for x
    x = 277,339,654,277.14/604,465.80
  6. Step 6: Final answer
    x = 458,817.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.