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Finding the Fourth Proportional to 511,610.86, 767,309.17 and 151,785.12

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Solution

The fourth proportional to 511,610.86, 767,309.17 and 151,785.12 is: 227,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,610.86 : 767,309.17 = 151,785.12 : x
  2. Step 2: Convert to fraction form
    511,610.86/767,309.17 = 151,785.12/x
  3. Step 3: Cross multiply
    511,610.86x = 767,309.17 × 151,785.12
  4. Step 4: Simplify right side
    511,610.86x = 116,466,114,445.55
  5. Step 5: Solve for x
    x = 116,466,114,445.55/511,610.86
  6. Step 6: Final answer
    x = 227,645.90

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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.