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Finding the Fourth Proportional to 539,608.59, 744,655.68 and 297,891.50

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Solution

The fourth proportional to 539,608.59, 744,655.68 and 297,891.50 is: 411,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,608.59 : 744,655.68 = 297,891.50 : x
  2. Step 2: Convert to fraction form
    539,608.59/744,655.68 = 297,891.50/x
  3. Step 3: Cross multiply
    539,608.59x = 744,655.68 × 297,891.50
  4. Step 4: Simplify right side
    539,608.59x = 221,826,593,775.44
  5. Step 5: Solve for x
    x = 221,826,593,775.44/539,608.59
  6. Step 6: Final answer
    x = 411,087.96

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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.