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Finding the Fourth Proportional to 508,168.44, 701,273.45 and 278,727.59

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Solution

The fourth proportional to 508,168.44, 701,273.45 and 278,727.59 is: 384,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,168.44 : 701,273.45 = 278,727.59 : x
  2. Step 2: Convert to fraction form
    508,168.44/701,273.45 = 278,727.59/x
  3. Step 3: Cross multiply
    508,168.44x = 701,273.45 × 278,727.59
  4. Step 4: Simplify right side
    508,168.44x = 195,464,258,649.49
  5. Step 5: Solve for x
    x = 195,464,258,649.49/508,168.44
  6. Step 6: Final answer
    x = 384,644.62

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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.