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Finding the Fourth Proportional to 375,166.52, 517,729.56 and 205,400.60

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Solution

The fourth proportional to 375,166.52, 517,729.56 and 205,400.60 is: 283,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,166.52 : 517,729.56 = 205,400.60 : x
  2. Step 2: Convert to fraction form
    375,166.52/517,729.56 = 205,400.60/x
  3. Step 3: Cross multiply
    375,166.52x = 517,729.56 × 205,400.60
  4. Step 4: Simplify right side
    375,166.52x = 106,341,962,261.74
  5. Step 5: Solve for x
    x = 106,341,962,261.74/375,166.52
  6. Step 6: Final answer
    x = 283,452.70

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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.