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Finding the Fourth Proportional to 441,437.90, 662,502.45 and 204,809.90

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Solution

The fourth proportional to 441,437.90, 662,502.45 and 204,809.90 is: 307,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,437.90 : 662,502.45 = 204,809.90 : x
  2. Step 2: Convert to fraction form
    441,437.90/662,502.45 = 204,809.90/x
  3. Step 3: Cross multiply
    441,437.90x = 662,502.45 × 204,809.90
  4. Step 4: Simplify right side
    441,437.90x = 135,687,060,534.26
  5. Step 5: Solve for x
    x = 135,687,060,534.26/441,437.90
  6. Step 6: Final answer
    x = 307,375.19

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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.