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Finding the Fourth Proportional to 296,873.20, 445,588.20 and 156,732.40

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Solution

The fourth proportional to 296,873.20, 445,588.20 and 156,732.40 is: 235,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,873.20 : 445,588.20 = 156,732.40 : x
  2. Step 2: Convert to fraction form
    296,873.20/445,588.20 = 156,732.40/x
  3. Step 3: Cross multiply
    296,873.20x = 445,588.20 × 156,732.40
  4. Step 4: Simplify right side
    296,873.20x = 69,838,107,997.68
  5. Step 5: Solve for x
    x = 69,838,107,997.68/296,873.20
  6. Step 6: Final answer
    x = 235,245.58

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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.