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Finding the Fourth Proportional to 539,462.33, 744,456.45 and 297,743.18

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Solution

The fourth proportional to 539,462.33, 744,456.45 and 297,743.18 is: 410,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,462.33 : 744,456.45 = 297,743.18 : x
  2. Step 2: Convert to fraction form
    539,462.33/744,456.45 = 297,743.18/x
  3. Step 3: Cross multiply
    539,462.33x = 744,456.45 × 297,743.18
  4. Step 4: Simplify right side
    539,462.33x = 221,656,828,188.77
  5. Step 5: Solve for x
    x = 221,656,828,188.77/539,462.33
  6. Step 6: Final answer
    x = 410,884.72

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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.