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Finding the Fourth Proportional to 539,241.21, 744,150.78 and 297,538.83

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Solution

The fourth proportional to 539,241.21, 744,150.78 and 297,538.83 is: 410,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,241.21 : 744,150.78 = 297,538.83 : x
  2. Step 2: Convert to fraction form
    539,241.21/744,150.78 = 297,538.83/x
  3. Step 3: Cross multiply
    539,241.21x = 744,150.78 × 297,538.83
  4. Step 4: Simplify right side
    539,241.21x = 221,413,752,424.79
  5. Step 5: Solve for x
    x = 221,413,752,424.79/539,241.21
  6. Step 6: Final answer
    x = 410,602.43

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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.