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Finding the Fourth Proportional to 292,620.66, 402,265.25 and 251,634.48

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Solution

The fourth proportional to 292,620.66, 402,265.25 and 251,634.48 is: 345,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,620.66 : 402,265.25 = 251,634.48 : x
  2. Step 2: Convert to fraction form
    292,620.66/402,265.25 = 251,634.48/x
  3. Step 3: Cross multiply
    292,620.66x = 402,265.25 × 251,634.48
  4. Step 4: Simplify right side
    292,620.66x = 101,223,805,747.65
  5. Step 5: Solve for x
    x = 101,223,805,747.65/292,620.66
  6. Step 6: Final answer
    x = 345,921.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.