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Finding the Fourth Proportional to 247,585.20, 371,377.80 and 231,838.80

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Solution

The fourth proportional to 247,585.20, 371,377.80 and 231,838.80 is: 347,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,585.20 : 371,377.80 = 231,838.80 : x
  2. Step 2: Convert to fraction form
    247,585.20/371,377.80 = 231,838.80/x
  3. Step 3: Cross multiply
    247,585.20x = 371,377.80 × 231,838.80
  4. Step 4: Simplify right side
    247,585.20x = 86,099,783,498.64
  5. Step 5: Solve for x
    x = 86,099,783,498.64/247,585.20
  6. Step 6: Final answer
    x = 347,758.20

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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.