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Finding the Fourth Proportional to 332,045.60, 497,611.55 and 142,278.80

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Solution

The fourth proportional to 332,045.60, 497,611.55 and 142,278.80 is: 213,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,045.60 : 497,611.55 = 142,278.80 : x
  2. Step 2: Convert to fraction form
    332,045.60/497,611.55 = 142,278.80/x
  3. Step 3: Cross multiply
    332,045.60x = 497,611.55 × 142,278.80
  4. Step 4: Simplify right side
    332,045.60x = 70,799,572,067.78
  5. Step 5: Solve for x
    x = 70,799,572,067.78/332,045.60
  6. Step 6: Final answer
    x = 213,222.44

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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.