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Finding the Fourth Proportional to 615,419.04, 923,540.84 and 216,060.96

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Solution

The fourth proportional to 615,419.04, 923,540.84 and 216,060.96 is: 324,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,419.04 : 923,540.84 = 216,060.96 : x
  2. Step 2: Convert to fraction form
    615,419.04/923,540.84 = 216,060.96/x
  3. Step 3: Cross multiply
    615,419.04x = 923,540.84 × 216,060.96
  4. Step 4: Simplify right side
    615,419.04x = 199,541,120,489.61
  5. Step 5: Solve for x
    x = 199,541,120,489.61/615,419.04
  6. Step 6: Final answer
    x = 324,236.18

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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.