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Finding the Fourth Proportional to 361,046.60, 498,259.88 and 199,901.65

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Solution

The fourth proportional to 361,046.60, 498,259.88 and 199,901.65 is: 275,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,046.60 : 498,259.88 = 199,901.65 : x
  2. Step 2: Convert to fraction form
    361,046.60/498,259.88 = 199,901.65/x
  3. Step 3: Cross multiply
    361,046.60x = 498,259.88 × 199,901.65
  4. Step 4: Simplify right side
    361,046.60x = 99,602,969,895.64
  5. Step 5: Solve for x
    x = 99,602,969,895.64/361,046.60
  6. Step 6: Final answer
    x = 275,872.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.