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Finding the Fourth Proportional to 251,272.70, 352,714.90 and 251,272.70

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Solution

The fourth proportional to 251,272.70, 352,714.90 and 251,272.70 is: 352,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,272.70 : 352,714.90 = 251,272.70 : x
  2. Step 2: Convert to fraction form
    251,272.70/352,714.90 = 251,272.70/x
  3. Step 3: Cross multiply
    251,272.70x = 352,714.90 × 251,272.70
  4. Step 4: Simplify right side
    251,272.70x = 88,627,625,253.23
  5. Step 5: Solve for x
    x = 88,627,625,253.23/251,272.70
  6. Step 6: Final answer
    x = 352,714.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.