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Finding the Fourth Proportional to 329,711.97, 491,605.02 and 301,561.79

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Solution

The fourth proportional to 329,711.97, 491,605.02 and 301,561.79 is: 449,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,711.97 : 491,605.02 = 301,561.79 : x
  2. Step 2: Convert to fraction form
    329,711.97/491,605.02 = 301,561.79/x
  3. Step 3: Cross multiply
    329,711.97x = 491,605.02 × 301,561.79
  4. Step 4: Simplify right side
    329,711.97x = 148,249,288,194.30
  5. Step 5: Solve for x
    x = 148,249,288,194.30/329,711.97
  6. Step 6: Final answer
    x = 449,632.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.