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Finding the Fourth Proportional to 454,298.64, 626,936.26 and 250,356.86

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Solution

The fourth proportional to 454,298.64, 626,936.26 and 250,356.86 is: 345,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,298.64 : 626,936.26 = 250,356.86 : x
  2. Step 2: Convert to fraction form
    454,298.64/626,936.26 = 250,356.86/x
  3. Step 3: Cross multiply
    454,298.64x = 626,936.26 × 250,356.86
  4. Step 4: Simplify right side
    454,298.64x = 156,957,793,473.74
  5. Step 5: Solve for x
    x = 156,957,793,473.74/454,298.64
  6. Step 6: Final answer
    x = 345,494.75

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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.