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Finding the Fourth Proportional to 454,373.90, 627,027.85 and 247,644.15

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Solution

The fourth proportional to 454,373.90, 627,027.85 and 247,644.15 is: 341,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,373.90 : 627,027.85 = 247,644.15 : x
  2. Step 2: Convert to fraction form
    454,373.90/627,027.85 = 247,644.15/x
  3. Step 3: Cross multiply
    454,373.90x = 627,027.85 × 247,644.15
  4. Step 4: Simplify right side
    454,373.90x = 155,279,779,888.04
  5. Step 5: Solve for x
    x = 155,279,779,888.04/454,373.90
  6. Step 6: Final answer
    x = 341,744.50

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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.