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Finding the Fourth Proportional to 341,414.78, 512,350.70 and 141,735.33

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Solution

The fourth proportional to 341,414.78, 512,350.70 and 141,735.33 is: 212,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,414.78 : 512,350.70 = 141,735.33 : x
  2. Step 2: Convert to fraction form
    341,414.78/512,350.70 = 141,735.33/x
  3. Step 3: Cross multiply
    341,414.78x = 512,350.70 × 141,735.33
  4. Step 4: Simplify right side
    341,414.78x = 72,618,194,831.55
  5. Step 5: Solve for x
    x = 72,618,194,831.55/341,414.78
  6. Step 6: Final answer
    x = 212,697.87

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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.