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Finding the Fourth Proportional to 539,605.26, 744,635.70 and 297,882.63

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Solution

The fourth proportional to 539,605.26, 744,635.70 and 297,882.63 is: 411,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,605.26 : 744,635.70 = 297,882.63 : x
  2. Step 2: Convert to fraction form
    539,605.26/744,635.70 = 297,882.63/x
  3. Step 3: Cross multiply
    539,605.26x = 744,635.70 × 297,882.63
  4. Step 4: Simplify right side
    539,605.26x = 221,814,040,707.89
  5. Step 5: Solve for x
    x = 221,814,040,707.89/539,605.26
  6. Step 6: Final answer
    x = 411,067.23

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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.