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Finding the Fourth Proportional to 539,520.33, 744,538.13 and 297,802.97

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Solution

The fourth proportional to 539,520.33, 744,538.13 and 297,802.97 is: 410,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,520.33 : 744,538.13 = 297,802.97 : x
  2. Step 2: Convert to fraction form
    539,520.33/744,538.13 = 297,802.97/x
  3. Step 3: Cross multiply
    539,520.33x = 744,538.13 × 297,802.97
  4. Step 4: Simplify right side
    539,520.33x = 221,725,661,180.54
  5. Step 5: Solve for x
    x = 221,725,661,180.54/539,520.33
  6. Step 6: Final answer
    x = 410,968.13

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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.