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Finding the Fourth Proportional to 451,475.88, 623,043.75 and 247,545.42

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Solution

The fourth proportional to 451,475.88, 623,043.75 and 247,545.42 is: 341,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,475.88 : 623,043.75 = 247,545.42 : x
  2. Step 2: Convert to fraction form
    451,475.88/623,043.75 = 247,545.42/x
  3. Step 3: Cross multiply
    451,475.88x = 623,043.75 × 247,545.42
  4. Step 4: Simplify right side
    451,475.88x = 154,231,626,772.13
  5. Step 5: Solve for x
    x = 154,231,626,772.13/451,475.88
  6. Step 6: Final answer
    x = 341,616.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.