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Finding the Fourth Proportional to 460,678.56, 635,708.45 and 253,937.90

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Solution

The fourth proportional to 460,678.56, 635,708.45 and 253,937.90 is: 350,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,678.56 : 635,708.45 = 253,937.90 : x
  2. Step 2: Convert to fraction form
    460,678.56/635,708.45 = 253,937.90/x
  3. Step 3: Cross multiply
    460,678.56x = 635,708.45 × 253,937.90
  4. Step 4: Simplify right side
    460,678.56x = 161,430,464,357.02
  5. Step 5: Solve for x
    x = 161,430,464,357.02/460,678.56
  6. Step 6: Final answer
    x = 350,418.88

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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.