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Finding the Fourth Proportional to 576,249.57, 795,203.51 and 318,120.97

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Solution

The fourth proportional to 576,249.57, 795,203.51 and 318,120.97 is: 438,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,249.57 : 795,203.51 = 318,120.97 : x
  2. Step 2: Convert to fraction form
    576,249.57/795,203.51 = 318,120.97/x
  3. Step 3: Cross multiply
    576,249.57x = 795,203.51 × 318,120.97
  4. Step 4: Simplify right side
    576,249.57x = 252,970,911,948.61
  5. Step 5: Solve for x
    x = 252,970,911,948.61/576,249.57
  6. Step 6: Final answer
    x = 438,995.40

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1.5x scale

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.