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Finding the Fourth Proportional to 372,114.30, 558,171.45 and 194,675.70

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Solution

The fourth proportional to 372,114.30, 558,171.45 and 194,675.70 is: 292,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,114.30 : 558,171.45 = 194,675.70 : x
  2. Step 2: Convert to fraction form
    372,114.30/558,171.45 = 194,675.70/x
  3. Step 3: Cross multiply
    372,114.30x = 558,171.45 × 194,675.70
  4. Step 4: Simplify right side
    372,114.30x = 108,662,417,748.77
  5. Step 5: Solve for x
    x = 108,662,417,748.77/372,114.30
  6. Step 6: Final answer
    x = 292,013.55

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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.