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Finding the Fourth Proportional to 375,500.88, 518,171.40 and 214,349.52

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Solution

The fourth proportional to 375,500.88, 518,171.40 and 214,349.52 is: 295,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,500.88 : 518,171.40 = 214,349.52 : x
  2. Step 2: Convert to fraction form
    375,500.88/518,171.40 = 214,349.52/x
  3. Step 3: Cross multiply
    375,500.88x = 518,171.40 × 214,349.52
  4. Step 4: Simplify right side
    375,500.88x = 111,069,790,867.73
  5. Step 5: Solve for x
    x = 111,069,790,867.73/375,500.88
  6. Step 6: Final answer
    x = 295,791.03

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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.