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Finding the Fourth Proportional to 453,171, 625,375.98 and 251,967

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Solution

The fourth proportional to 453,171, 625,375.98 and 251,967 is: 347,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,171 : 625,375.98 = 251,967 : x
  2. Step 2: Convert to fraction form
    453,171/625,375.98 = 251,967/x
  3. Step 3: Cross multiply
    453,171x = 625,375.98 × 251,967
  4. Step 4: Simplify right side
    453,171x = 157,574,109,552.66
  5. Step 5: Solve for x
    x = 157,574,109,552.66/453,171
  6. Step 6: Final answer
    x = 347,714.46

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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.