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Finding the Fourth Proportional to 576,093.12, 794,948.22 and 317,965.32

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Solution

The fourth proportional to 576,093.12, 794,948.22 and 317,965.32 is: 438,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,093.12 : 794,948.22 = 317,965.32 : x
  2. Step 2: Convert to fraction form
    576,093.12/794,948.22 = 317,965.32/x
  3. Step 3: Cross multiply
    576,093.12x = 794,948.22 × 317,965.32
  4. Step 4: Simplify right side
    576,093.12x = 252,765,965,155.73
  5. Step 5: Solve for x
    x = 252,765,965,155.73/576,093.12
  6. Step 6: Final answer
    x = 438,758.87

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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.