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Finding the Fourth Proportional to 488,389.52, 673,982.63 and 270,604.85

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Solution

The fourth proportional to 488,389.52, 673,982.63 and 270,604.85 is: 373,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,389.52 : 673,982.63 = 270,604.85 : x
  2. Step 2: Convert to fraction form
    488,389.52/673,982.63 = 270,604.85/x
  3. Step 3: Cross multiply
    488,389.52x = 673,982.63 × 270,604.85
  4. Step 4: Simplify right side
    488,389.52x = 182,382,963,770.82
  5. Step 5: Solve for x
    x = 182,382,963,770.82/488,389.52
  6. Step 6: Final answer
    x = 373,437.51

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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.