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Finding the Fourth Proportional to 627,924.92, 941,920.04 and 207,233.60

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Solution

The fourth proportional to 627,924.92, 941,920.04 and 207,233.60 is: 310,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,924.92 : 941,920.04 = 207,233.60 : x
  2. Step 2: Convert to fraction form
    627,924.92/941,920.04 = 207,233.60/x
  3. Step 3: Cross multiply
    627,924.92x = 941,920.04 × 207,233.60
  4. Step 4: Simplify right side
    627,924.92x = 195,197,480,801.34
  5. Step 5: Solve for x
    x = 195,197,480,801.34/627,924.92
  6. Step 6: Final answer
    x = 310,861.18

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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.