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Finding the Fourth Proportional to 615,928.64, 923,753.64 and 194,974.88

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Solution

The fourth proportional to 615,928.64, 923,753.64 and 194,974.88 is: 292,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,928.64 : 923,753.64 = 194,974.88 : x
  2. Step 2: Convert to fraction form
    615,928.64/923,753.64 = 194,974.88/x
  3. Step 3: Cross multiply
    615,928.64x = 923,753.64 × 194,974.88
  4. Step 4: Simplify right side
    615,928.64x = 180,108,755,108.56
  5. Step 5: Solve for x
    x = 180,108,755,108.56/615,928.64
  6. Step 6: Final answer
    x = 292,418.22

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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.