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Finding the Fourth Proportional to 591,780.80, 887,152.80 and 355,217.60

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Solution

The fourth proportional to 591,780.80, 887,152.80 and 355,217.60 is: 532,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,780.80 : 887,152.80 = 355,217.60 : x
  2. Step 2: Convert to fraction form
    591,780.80/887,152.80 = 355,217.60/x
  3. Step 3: Cross multiply
    591,780.80x = 887,152.80 × 355,217.60
  4. Step 4: Simplify right side
    591,780.80x = 315,132,288,449.28
  5. Step 5: Solve for x
    x = 315,132,288,449.28/591,780.80
  6. Step 6: Final answer
    x = 532,515.23

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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.