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Finding the Fourth Proportional to 576,008.18, 794,862.24 and 321,310.16

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Solution

The fourth proportional to 576,008.18, 794,862.24 and 321,310.16 is: 443,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,008.18 : 794,862.24 = 321,310.16 : x
  2. Step 2: Convert to fraction form
    576,008.18/794,862.24 = 321,310.16/x
  3. Step 3: Cross multiply
    576,008.18x = 794,862.24 × 321,310.16
  4. Step 4: Simplify right side
    576,008.18x = 255,397,313,512.36
  5. Step 5: Solve for x
    x = 255,397,313,512.36/576,008.18
  6. Step 6: Final answer
    x = 443,391.82

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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.