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Finding the Fourth Proportional to 363,123.20, 544,484.80 and 149,842.63

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Solution

The fourth proportional to 363,123.20, 544,484.80 and 149,842.63 is: 224,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,123.20 : 544,484.80 = 149,842.63 : x
  2. Step 2: Convert to fraction form
    363,123.20/544,484.80 = 149,842.63/x
  3. Step 3: Cross multiply
    363,123.20x = 544,484.80 × 149,842.63
  4. Step 4: Simplify right side
    363,123.20x = 81,587,032,321.23
  5. Step 5: Solve for x
    x = 81,587,032,321.23/363,123.20
  6. Step 6: Final answer
    x = 224,681.41

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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.