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Finding the Fourth Proportional to 539,540.91, 744,562.26 and 297,823.55

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Solution

The fourth proportional to 539,540.91, 744,562.26 and 297,823.55 is: 410,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,540.91 : 744,562.26 = 297,823.55 : x
  2. Step 2: Convert to fraction form
    539,540.91/744,562.26 = 297,823.55/x
  3. Step 3: Cross multiply
    539,540.91x = 744,562.26 × 297,823.55
  4. Step 4: Simplify right side
    539,540.91x = 221,748,171,746.41
  5. Step 5: Solve for x
    x = 221,748,171,746.41/539,540.91
  6. Step 6: Final answer
    x = 410,994.18

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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.