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Finding the Fourth Proportional to 571,229.44, 788,116.50 and 329,479.60

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Solution

The fourth proportional to 571,229.44, 788,116.50 and 329,479.60 is: 454,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,229.44 : 788,116.50 = 329,479.60 : x
  2. Step 2: Convert to fraction form
    571,229.44/788,116.50 = 329,479.60/x
  3. Step 3: Cross multiply
    571,229.44x = 788,116.50 × 329,479.60
  4. Step 4: Simplify right side
    571,229.44x = 259,668,309,173.40
  5. Step 5: Solve for x
    x = 259,668,309,173.40/571,229.44
  6. Step 6: Final answer
    x = 454,577.95

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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.