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Finding the Fourth Proportional to 272,490.76, 375,824.20 and 177,028.20

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Solution

The fourth proportional to 272,490.76, 375,824.20 and 177,028.20 is: 244,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,490.76 : 375,824.20 = 177,028.20 : x
  2. Step 2: Convert to fraction form
    272,490.76/375,824.20 = 177,028.20/x
  3. Step 3: Cross multiply
    272,490.76x = 375,824.20 × 177,028.20
  4. Step 4: Simplify right side
    272,490.76x = 66,531,481,642.44
  5. Step 5: Solve for x
    x = 66,531,481,642.44/272,490.76
  6. Step 6: Final answer
    x = 244,160.51

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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.