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Finding the Fourth Proportional to 537,532.40, 741,778.80 and 295,814.88

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Solution

The fourth proportional to 537,532.40, 741,778.80 and 295,814.88 is: 408,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,532.40 : 741,778.80 = 295,814.88 : x
  2. Step 2: Convert to fraction form
    537,532.40/741,778.80 = 295,814.88/x
  3. Step 3: Cross multiply
    537,532.40x = 741,778.80 × 295,814.88
  4. Step 4: Simplify right side
    537,532.40x = 219,429,206,708.54
  5. Step 5: Solve for x
    x = 219,429,206,708.54/537,532.40
  6. Step 6: Final answer
    x = 408,215.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.