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Finding the Fourth Proportional to 366,972.30, 550,458.45 and 247,398.08

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Solution

The fourth proportional to 366,972.30, 550,458.45 and 247,398.08 is: 371,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,972.30 : 550,458.45 = 247,398.08 : x
  2. Step 2: Convert to fraction form
    366,972.30/550,458.45 = 247,398.08/x
  3. Step 3: Cross multiply
    366,972.30x = 550,458.45 × 247,398.08
  4. Step 4: Simplify right side
    366,972.30x = 136,182,360,897.48
  5. Step 5: Solve for x
    x = 136,182,360,897.48/366,972.30
  6. Step 6: Final answer
    x = 371,097.11

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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.