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Finding the Fourth Proportional to 454,373.65, 627,027.50 and 247,643.90

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Solution

The fourth proportional to 454,373.65, 627,027.50 and 247,643.90 is: 341,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,373.65 : 627,027.50 = 247,643.90 : x
  2. Step 2: Convert to fraction form
    454,373.65/627,027.50 = 247,643.90/x
  3. Step 3: Cross multiply
    454,373.65x = 627,027.50 × 247,643.90
  4. Step 4: Simplify right side
    454,373.65x = 155,279,537,693.93
  5. Step 5: Solve for x
    x = 155,279,537,693.93/454,373.65
  6. Step 6: Final answer
    x = 341,744.15

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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.