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Finding the Fourth Proportional to 532,225.80, 798,338.70 and 158,200.20

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Solution

The fourth proportional to 532,225.80, 798,338.70 and 158,200.20 is: 237,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,225.80 : 798,338.70 = 158,200.20 : x
  2. Step 2: Convert to fraction form
    532,225.80/798,338.70 = 158,200.20/x
  3. Step 3: Cross multiply
    532,225.80x = 798,338.70 × 158,200.20
  4. Step 4: Simplify right side
    532,225.80x = 126,297,342,007.74
  5. Step 5: Solve for x
    x = 126,297,342,007.74/532,225.80
  6. Step 6: Final answer
    x = 237,300.30

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Double scale
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Similar ratio
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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.