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Finding the Fourth Proportional to 539,513.50, 744,528.66 and 297,796.14

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Solution

The fourth proportional to 539,513.50, 744,528.66 and 297,796.14 is: 410,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,513.50 : 744,528.66 = 297,796.14 : x
  2. Step 2: Convert to fraction form
    539,513.50/744,528.66 = 297,796.14/x
  3. Step 3: Cross multiply
    539,513.50x = 744,528.66 × 297,796.14
  4. Step 4: Simplify right side
    539,513.50x = 221,717,761,067.37
  5. Step 5: Solve for x
    x = 221,717,761,067.37/539,513.50
  6. Step 6: Final answer
    x = 410,958.69

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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.