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Finding the Fourth Proportional to 372,666.30, 558,999.45 and 195,227.70

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Solution

The fourth proportional to 372,666.30, 558,999.45 and 195,227.70 is: 292,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,666.30 : 558,999.45 = 195,227.70 : x
  2. Step 2: Convert to fraction form
    372,666.30/558,999.45 = 195,227.70/x
  3. Step 3: Cross multiply
    372,666.30x = 558,999.45 × 195,227.70
  4. Step 4: Simplify right side
    372,666.30x = 109,132,176,924.77
  5. Step 5: Solve for x
    x = 109,132,176,924.77/372,666.30
  6. Step 6: Final answer
    x = 292,841.55

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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.