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Finding the Fourth Proportional to 488,456.16, 731,422.41 and 337,120.35

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Solution

The fourth proportional to 488,456.16, 731,422.41 and 337,120.35 is: 504,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,456.16 : 731,422.41 = 337,120.35 : x
  2. Step 2: Convert to fraction form
    488,456.16/731,422.41 = 337,120.35/x
  3. Step 3: Cross multiply
    488,456.16x = 731,422.41 × 337,120.35
  4. Step 4: Simplify right side
    488,456.16x = 246,577,378,857.04
  5. Step 5: Solve for x
    x = 246,577,378,857.04/488,456.16
  6. Step 6: Final answer
    x = 504,809.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.