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Finding the Fourth Proportional to 508,584.27, 701,847.17 and 279,143.07

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Solution

The fourth proportional to 508,584.27, 701,847.17 and 279,143.07 is: 385,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,584.27 : 701,847.17 = 279,143.07 : x
  2. Step 2: Convert to fraction form
    508,584.27/701,847.17 = 279,143.07/x
  3. Step 3: Cross multiply
    508,584.27x = 701,847.17 × 279,143.07
  4. Step 4: Simplify right side
    508,584.27x = 195,915,772,308.90
  5. Step 5: Solve for x
    x = 195,915,772,308.90/508,584.27
  6. Step 6: Final answer
    x = 385,217.92

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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.