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Finding the Fourth Proportional to 254,105.53, 351,077.52 and 216,264.97

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Solution

The fourth proportional to 254,105.53, 351,077.52 and 216,264.97 is: 298,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,105.53 : 351,077.52 = 216,264.97 : x
  2. Step 2: Convert to fraction form
    254,105.53/351,077.52 = 216,264.97/x
  3. Step 3: Cross multiply
    254,105.53x = 351,077.52 × 216,264.97
  4. Step 4: Simplify right side
    254,105.53x = 75,925,769,330.47
  5. Step 5: Solve for x
    x = 75,925,769,330.47/254,105.53
  6. Step 6: Final answer
    x = 298,796.21

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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.