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Finding the Fourth Proportional to 539,747.56, 744,863.27 and 298,045.50

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Solution

The fourth proportional to 539,747.56, 744,863.27 and 298,045.50 is: 411,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,747.56 : 744,863.27 = 298,045.50 : x
  2. Step 2: Convert to fraction form
    539,747.56/744,863.27 = 298,045.50/x
  3. Step 3: Cross multiply
    539,747.56x = 744,863.27 × 298,045.50
  4. Step 4: Simplify right side
    539,747.56x = 222,003,145,738.79
  5. Step 5: Solve for x
    x = 222,003,145,738.79/539,747.56
  6. Step 6: Final answer
    x = 411,309.22

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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.