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Finding the Fourth Proportional to 508,600.70, 701,877.86 and 279,179.42

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Solution

The fourth proportional to 508,600.70, 701,877.86 and 279,179.42 is: 385,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,600.70 : 701,877.86 = 279,179.42 : x
  2. Step 2: Convert to fraction form
    508,600.70/701,877.86 = 279,179.42/x
  3. Step 3: Cross multiply
    508,600.70x = 701,877.86 × 279,179.42
  4. Step 4: Simplify right side
    508,600.70x = 195,949,853,865.64
  5. Step 5: Solve for x
    x = 195,949,853,865.64/508,600.70
  6. Step 6: Final answer
    x = 385,272.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.