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Finding the Fourth Proportional to 526,870.89, 790,306.37 and 127,511.73

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Solution

The fourth proportional to 526,870.89, 790,306.37 and 127,511.73 is: 191,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,870.89 : 790,306.37 = 127,511.73 : x
  2. Step 2: Convert to fraction form
    526,870.89/790,306.37 = 127,511.73/x
  3. Step 3: Cross multiply
    526,870.89x = 790,306.37 × 127,511.73
  4. Step 4: Simplify right side
    526,870.89x = 100,773,332,309.33
  5. Step 5: Solve for x
    x = 100,773,332,309.33/526,870.89
  6. Step 6: Final answer
    x = 191,267.60

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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.