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Finding the Fourth Proportional to 555,722.20, 833,583.30 and 200,747.80

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Solution

The fourth proportional to 555,722.20, 833,583.30 and 200,747.80 is: 301,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,722.20 : 833,583.30 = 200,747.80 : x
  2. Step 2: Convert to fraction form
    555,722.20/833,583.30 = 200,747.80/x
  3. Step 3: Cross multiply
    555,722.20x = 833,583.30 × 200,747.80
  4. Step 4: Simplify right side
    555,722.20x = 167,340,013,591.74
  5. Step 5: Solve for x
    x = 167,340,013,591.74/555,722.20
  6. Step 6: Final answer
    x = 301,121.70

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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.