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Finding the Fourth Proportional to 508,167.22, 701,265.98 and 278,719.84

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Solution

The fourth proportional to 508,167.22, 701,265.98 and 278,719.84 is: 384,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,167.22 : 701,265.98 = 278,719.84 : x
  2. Step 2: Convert to fraction form
    508,167.22/701,265.98 = 278,719.84/x
  3. Step 3: Cross multiply
    508,167.22x = 701,265.98 × 278,719.84
  4. Step 4: Simplify right side
    508,167.22x = 195,456,740,686.68
  5. Step 5: Solve for x
    x = 195,456,740,686.68/508,167.22
  6. Step 6: Final answer
    x = 384,630.76

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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.