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Finding the Fourth Proportional to 615,147.60, 922,951.80 and 241,438.80

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Solution

The fourth proportional to 615,147.60, 922,951.80 and 241,438.80 is: 362,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,147.60 : 922,951.80 = 241,438.80 : x
  2. Step 2: Convert to fraction form
    615,147.60/922,951.80 = 241,438.80/x
  3. Step 3: Cross multiply
    615,147.60x = 922,951.80 × 241,438.80
  4. Step 4: Simplify right side
    615,147.60x = 222,836,375,049.84
  5. Step 5: Solve for x
    x = 222,836,375,049.84/615,147.60
  6. Step 6: Final answer
    x = 362,248.63

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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.