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Finding the Fourth Proportional to 266,482.43, 399,930.92 and 185,997.53

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Solution

The fourth proportional to 266,482.43, 399,930.92 and 185,997.53 is: 279,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,482.43 : 399,930.92 = 185,997.53 : x
  2. Step 2: Convert to fraction form
    266,482.43/399,930.92 = 185,997.53/x
  3. Step 3: Cross multiply
    266,482.43x = 399,930.92 × 185,997.53
  4. Step 4: Simplify right side
    266,482.43x = 74,386,163,290.63
  5. Step 5: Solve for x
    x = 74,386,163,290.63/266,482.43
  6. Step 6: Final answer
    x = 279,140.97

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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.