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Finding the Fourth Proportional to 539,241.78, 744,156.06 and 297,524.25

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Solution

The fourth proportional to 539,241.78, 744,156.06 and 297,524.25 is: 410,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,241.78 : 744,156.06 = 297,524.25 : x
  2. Step 2: Convert to fraction form
    539,241.78/744,156.06 = 297,524.25/x
  3. Step 3: Cross multiply
    539,241.78x = 744,156.06 × 297,524.25
  4. Step 4: Simplify right side
    539,241.78x = 221,404,473,634.46
  5. Step 5: Solve for x
    x = 221,404,473,634.46/539,241.78
  6. Step 6: Final answer
    x = 410,584.79

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Double scale
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Similar ratio
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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.