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Finding the Fourth Proportional to 453,106, 625,287.04 and 251,902

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Solution

The fourth proportional to 453,106, 625,287.04 and 251,902 is: 347,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,106 : 625,287.04 = 251,902 : x
  2. Step 2: Convert to fraction form
    453,106/625,287.04 = 251,902/x
  3. Step 3: Cross multiply
    453,106x = 625,287.04 × 251,902
  4. Step 4: Simplify right side
    453,106x = 157,511,055,950.08
  5. Step 5: Solve for x
    x = 157,511,055,950.08/453,106
  6. Step 6: Final answer
    x = 347,625.18

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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.