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Finding the Fourth Proportional to 624,873.18, 862,325.82 and 338,393.73

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Solution

The fourth proportional to 624,873.18, 862,325.82 and 338,393.73 is: 466,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,873.18 : 862,325.82 = 338,393.73 : x
  2. Step 2: Convert to fraction form
    624,873.18/862,325.82 = 338,393.73/x
  3. Step 3: Cross multiply
    624,873.18x = 862,325.82 × 338,393.73
  4. Step 4: Simplify right side
    624,873.18x = 291,805,650,705.11
  5. Step 5: Solve for x
    x = 291,805,650,705.11/624,873.18
  6. Step 6: Final answer
    x = 466,983.80

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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.