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Finding the Fourth Proportional to 511,841.66, 767,874.81 and 156,882.38

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Solution

The fourth proportional to 511,841.66, 767,874.81 and 156,882.38 is: 235,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,841.66 : 767,874.81 = 156,882.38 : x
  2. Step 2: Convert to fraction form
    511,841.66/767,874.81 = 156,882.38/x
  3. Step 3: Cross multiply
    511,841.66x = 767,874.81 × 156,882.38
  4. Step 4: Simplify right side
    511,841.66x = 120,466,027,734.85
  5. Step 5: Solve for x
    x = 120,466,027,734.85/511,841.66
  6. Step 6: Final answer
    x = 235,358.00

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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.