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Finding the Fourth Proportional to 624,799.92, 937,211.40 and 225,470.64

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Solution

The fourth proportional to 624,799.92, 937,211.40 and 225,470.64 is: 338,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,799.92 : 937,211.40 = 225,470.64 : x
  2. Step 2: Convert to fraction form
    624,799.92/937,211.40 = 225,470.64/x
  3. Step 3: Cross multiply
    624,799.92x = 937,211.40 × 225,470.64
  4. Step 4: Simplify right side
    624,799.92x = 211,313,654,173.30
  5. Step 5: Solve for x
    x = 211,313,654,173.30/624,799.92
  6. Step 6: Final answer
    x = 338,210.12

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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.