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Finding the Fourth Proportional to 615,459.68, 923,097.17 and 194,680.88

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Solution

The fourth proportional to 615,459.68, 923,097.17 and 194,680.88 is: 291,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,459.68 : 923,097.17 = 194,680.88 : x
  2. Step 2: Convert to fraction form
    615,459.68/923,097.17 = 194,680.88/x
  3. Step 3: Cross multiply
    615,459.68x = 923,097.17 × 194,680.88
  4. Step 4: Simplify right side
    615,459.68x = 179,709,365,252.33
  5. Step 5: Solve for x
    x = 179,709,365,252.33/615,459.68
  6. Step 6: Final answer
    x = 291,992.10

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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.