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Finding the Fourth Proportional to 488,725.27, 674,440.84 and 297,738.52

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Solution

The fourth proportional to 488,725.27, 674,440.84 and 297,738.52 is: 410,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,725.27 : 674,440.84 = 297,738.52 : x
  2. Step 2: Convert to fraction form
    488,725.27/674,440.84 = 297,738.52/x
  3. Step 3: Cross multiply
    488,725.27x = 674,440.84 × 297,738.52
  4. Step 4: Simplify right side
    488,725.27x = 200,807,017,529.16
  5. Step 5: Solve for x
    x = 200,807,017,529.16/488,725.27
  6. Step 6: Final answer
    x = 410,879.14

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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.