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Finding the Fourth Proportional to 539,556.84, 744,584.33 and 297,839.59

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Solution

The fourth proportional to 539,556.84, 744,584.33 and 297,839.59 is: 411,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,556.84 : 744,584.33 = 297,839.59 : x
  2. Step 2: Convert to fraction form
    539,556.84/744,584.33 = 297,839.59/x
  3. Step 3: Cross multiply
    539,556.84x = 744,584.33 × 297,839.59
  4. Step 4: Simplify right side
    539,556.84x = 221,766,690,450.76
  5. Step 5: Solve for x
    x = 221,766,690,450.76/539,556.84
  6. Step 6: Final answer
    x = 411,016.36

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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.