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Finding the Fourth Proportional to 591,794.40, 888,248.40 and 311,512.80

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Solution

The fourth proportional to 591,794.40, 888,248.40 and 311,512.80 is: 467,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,794.40 : 888,248.40 = 311,512.80 : x
  2. Step 2: Convert to fraction form
    591,794.40/888,248.40 = 311,512.80/x
  3. Step 3: Cross multiply
    591,794.40x = 888,248.40 × 311,512.80
  4. Step 4: Simplify right side
    591,794.40x = 276,700,746,179.52
  5. Step 5: Solve for x
    x = 276,700,746,179.52/591,794.40
  6. Step 6: Final answer
    x = 467,562.29

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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.