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Finding the Fourth Proportional to 532,305.40, 798,458.10 and 343,348.60

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Solution

The fourth proportional to 532,305.40, 798,458.10 and 343,348.60 is: 515,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,305.40 : 798,458.10 = 343,348.60 : x
  2. Step 2: Convert to fraction form
    532,305.40/798,458.10 = 343,348.60/x
  3. Step 3: Cross multiply
    532,305.40x = 798,458.10 × 343,348.60
  4. Step 4: Simplify right side
    532,305.40x = 274,149,470,793.66
  5. Step 5: Solve for x
    x = 274,149,470,793.66/532,305.40
  6. Step 6: Final answer
    x = 515,022.90

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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.