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Finding the Fourth Proportional to 292,869.78, 439,452.54 and 132,843.73

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Solution

The fourth proportional to 292,869.78, 439,452.54 and 132,843.73 is: 199,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,869.78 : 439,452.54 = 132,843.73 : x
  2. Step 2: Convert to fraction form
    292,869.78/439,452.54 = 132,843.73/x
  3. Step 3: Cross multiply
    292,869.78x = 439,452.54 × 132,843.73
  4. Step 4: Simplify right side
    292,869.78x = 58,378,515,120.89
  5. Step 5: Solve for x
    x = 58,378,515,120.89/292,869.78
  6. Step 6: Final answer
    x = 199,332.67

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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.