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Finding the Fourth Proportional to 615,926.92, 923,892.52 and 189,459.85

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Solution

The fourth proportional to 615,926.92, 923,892.52 and 189,459.85 is: 284,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,926.92 : 923,892.52 = 189,459.85 : x
  2. Step 2: Convert to fraction form
    615,926.92/923,892.52 = 189,459.85/x
  3. Step 3: Cross multiply
    615,926.92x = 923,892.52 × 189,459.85
  4. Step 4: Simplify right side
    615,926.92x = 175,040,533,635.86
  5. Step 5: Solve for x
    x = 175,040,533,635.86/615,926.92
  6. Step 6: Final answer
    x = 284,190.43

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1.5x scale

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.