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Finding the Fourth Proportional to 402,937.01, 604,197.49 and 118,590.61

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Solution

The fourth proportional to 402,937.01, 604,197.49 and 118,590.61 is: 177,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,937.01 : 604,197.49 = 118,590.61 : x
  2. Step 2: Convert to fraction form
    402,937.01/604,197.49 = 118,590.61/x
  3. Step 3: Cross multiply
    402,937.01x = 604,197.49 × 118,590.61
  4. Step 4: Simplify right side
    402,937.01x = 71,652,148,306.62
  5. Step 5: Solve for x
    x = 71,652,148,306.62/402,937.01
  6. Step 6: Final answer
    x = 177,824.69

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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.