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Finding the Fourth Proportional to 615,546.30, 923,319.45 and 194,951.10

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Solution

The fourth proportional to 615,546.30, 923,319.45 and 194,951.10 is: 292,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,546.30 : 923,319.45 = 194,951.10 : x
  2. Step 2: Convert to fraction form
    615,546.30/923,319.45 = 194,951.10/x
  3. Step 3: Cross multiply
    615,546.30x = 923,319.45 × 194,951.10
  4. Step 4: Simplify right side
    615,546.30x = 180,002,142,428.90
  5. Step 5: Solve for x
    x = 180,002,142,428.90/615,546.30
  6. Step 6: Final answer
    x = 292,426.65

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Similar ratio
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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.