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Finding the Fourth Proportional to 615,529.88, 923,414.50 and 236,422.76

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Solution

The fourth proportional to 615,529.88, 923,414.50 and 236,422.76 is: 354,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,529.88 : 923,414.50 = 236,422.76 : x
  2. Step 2: Convert to fraction form
    615,529.88/923,414.50 = 236,422.76/x
  3. Step 3: Cross multiply
    615,529.88x = 923,414.50 × 236,422.76
  4. Step 4: Simplify right side
    615,529.88x = 218,316,204,714.02
  5. Step 5: Solve for x
    x = 218,316,204,714.02/615,529.88
  6. Step 6: Final answer
    x = 354,680.11

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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.