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Finding the Fourth Proportional to 366,948.30, 550,422.45 and 247,374.08

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Solution

The fourth proportional to 366,948.30, 550,422.45 and 247,374.08 is: 371,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,948.30 : 550,422.45 = 247,374.08 : x
  2. Step 2: Convert to fraction form
    366,948.30/550,422.45 = 247,374.08/x
  3. Step 3: Cross multiply
    366,948.30x = 550,422.45 × 247,374.08
  4. Step 4: Simplify right side
    366,948.30x = 136,160,244,427.98
  5. Step 5: Solve for x
    x = 136,160,244,427.98/366,948.30
  6. Step 6: Final answer
    x = 371,061.11

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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.