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Finding the Fourth Proportional to 576,082.97, 794,994 and 321,434.16

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Solution

The fourth proportional to 576,082.97, 794,994 and 321,434.16 is: 443,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,082.97 : 794,994 = 321,434.16 : x
  2. Step 2: Convert to fraction form
    576,082.97/794,994 = 321,434.16/x
  3. Step 3: Cross multiply
    576,082.97x = 794,994 × 321,434.16
  4. Step 4: Simplify right side
    576,082.97x = 255,538,228,595.04
  5. Step 5: Solve for x
    x = 255,538,228,595.04/576,082.97
  6. Step 6: Final answer
    x = 443,578.87

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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.