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Finding the Fourth Proportional to 450,524.28, 675,785.88 and 207,340.86

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Solution

The fourth proportional to 450,524.28, 675,785.88 and 207,340.86 is: 311,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,524.28 : 675,785.88 = 207,340.86 : x
  2. Step 2: Convert to fraction form
    450,524.28/675,785.88 = 207,340.86/x
  3. Step 3: Cross multiply
    450,524.28x = 675,785.88 × 207,340.86
  4. Step 4: Simplify right side
    450,524.28x = 140,118,025,535.06
  5. Step 5: Solve for x
    x = 140,118,025,535.06/450,524.28
  6. Step 6: Final answer
    x = 311,011.04

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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.