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Finding the Fourth Proportional to 511,452.15, 767,150.49 and 156,466.20

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Solution

The fourth proportional to 511,452.15, 767,150.49 and 156,466.20 is: 234,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,452.15 : 767,150.49 = 156,466.20 : x
  2. Step 2: Convert to fraction form
    511,452.15/767,150.49 = 156,466.20/x
  3. Step 3: Cross multiply
    511,452.15x = 767,150.49 × 156,466.20
  4. Step 4: Simplify right side
    511,452.15x = 120,033,121,998.44
  5. Step 5: Solve for x
    x = 120,033,121,998.44/511,452.15
  6. Step 6: Final answer
    x = 234,690.82

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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.