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Finding the Fourth Proportional to 491,500.40, 737,250.60 and 159,076.40

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Solution

The fourth proportional to 491,500.40, 737,250.60 and 159,076.40 is: 238,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,500.40 : 737,250.60 = 159,076.40 : x
  2. Step 2: Convert to fraction form
    491,500.40/737,250.60 = 159,076.40/x
  3. Step 3: Cross multiply
    491,500.40x = 737,250.60 × 159,076.40
  4. Step 4: Simplify right side
    491,500.40x = 117,279,171,345.84
  5. Step 5: Solve for x
    x = 117,279,171,345.84/491,500.40
  6. Step 6: Final answer
    x = 238,614.60

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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.