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Finding the Fourth Proportional to 488,714.27, 674,425.67 and 297,727.52

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Solution

The fourth proportional to 488,714.27, 674,425.67 and 297,727.52 is: 410,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,714.27 : 674,425.67 = 297,727.52 : x
  2. Step 2: Convert to fraction form
    488,714.27/674,425.67 = 297,727.52/x
  3. Step 3: Cross multiply
    488,714.27x = 674,425.67 × 297,727.52
  4. Step 4: Simplify right side
    488,714.27x = 200,795,077,292.67
  5. Step 5: Solve for x
    x = 200,795,077,292.67/488,714.27
  6. Step 6: Final answer
    x = 410,863.96

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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.