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Finding the Fourth Proportional to 364,040.61, 546,306.84 and 127,385.34

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Solution

The fourth proportional to 364,040.61, 546,306.84 and 127,385.34 is: 191,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,040.61 : 546,306.84 = 127,385.34 : x
  2. Step 2: Convert to fraction form
    364,040.61/546,306.84 = 127,385.34/x
  3. Step 3: Cross multiply
    364,040.61x = 546,306.84 × 127,385.34
  4. Step 4: Simplify right side
    364,040.61x = 69,591,482,557.73
  5. Step 5: Solve for x
    x = 69,591,482,557.73/364,040.61
  6. Step 6: Final answer
    x = 191,164.06

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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.