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Finding the Fourth Proportional to 483,776.32, 667,625.76 and 292,824.64

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Solution

The fourth proportional to 483,776.32, 667,625.76 and 292,824.64 is: 404,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,776.32 : 667,625.76 = 292,824.64 : x
  2. Step 2: Convert to fraction form
    483,776.32/667,625.76 = 292,824.64/x
  3. Step 3: Cross multiply
    483,776.32x = 667,625.76 × 292,824.64
  4. Step 4: Simplify right side
    483,776.32x = 195,497,272,826.73
  5. Step 5: Solve for x
    x = 195,497,272,826.73/483,776.32
  6. Step 6: Final answer
    x = 404,106.74

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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.