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Finding the Fourth Proportional to 350,919.76, 526,580.28 and 148,499.92

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Solution

The fourth proportional to 350,919.76, 526,580.28 and 148,499.92 is: 222,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,919.76 : 526,580.28 = 148,499.92 : x
  2. Step 2: Convert to fraction form
    350,919.76/526,580.28 = 148,499.92/x
  3. Step 3: Cross multiply
    350,919.76x = 526,580.28 × 148,499.92
  4. Step 4: Simplify right side
    350,919.76x = 78,197,129,453.58
  5. Step 5: Solve for x
    x = 78,197,129,453.58/350,919.76
  6. Step 6: Final answer
    x = 222,834.79

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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.