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Finding the Fourth Proportional to 404,527.30, 606,645.15 and 204,781.30

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Solution

The fourth proportional to 404,527.30, 606,645.15 and 204,781.30 is: 307,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,527.30 : 606,645.15 = 204,781.30 : x
  2. Step 2: Convert to fraction form
    404,527.30/606,645.15 = 204,781.30/x
  3. Step 3: Cross multiply
    404,527.30x = 606,645.15 × 204,781.30
  4. Step 4: Simplify right side
    404,527.30x = 124,229,582,455.70
  5. Step 5: Solve for x
    x = 124,229,582,455.70/404,527.30
  6. Step 6: Final answer
    x = 307,098.14

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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.