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Finding the Fourth Proportional to 381,560.25, 572,351.31 and 101,077.50

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Solution

The fourth proportional to 381,560.25, 572,351.31 and 101,077.50 is: 151,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,560.25 : 572,351.31 = 101,077.50 : x
  2. Step 2: Convert to fraction form
    381,560.25/572,351.31 = 101,077.50/x
  3. Step 3: Cross multiply
    381,560.25x = 572,351.31 × 101,077.50
  4. Step 4: Simplify right side
    381,560.25x = 57,851,839,536.53
  5. Step 5: Solve for x
    x = 57,851,839,536.53/381,560.25
  6. Step 6: Final answer
    x = 151,619.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.