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Finding the Fourth Proportional to 452,920.43, 625,037.96 and 248,979.94

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Solution

The fourth proportional to 452,920.43, 625,037.96 and 248,979.94 is: 343,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,920.43 : 625,037.96 = 248,979.94 : x
  2. Step 2: Convert to fraction form
    452,920.43/625,037.96 = 248,979.94/x
  3. Step 3: Cross multiply
    452,920.43x = 625,037.96 × 248,979.94
  4. Step 4: Simplify right side
    452,920.43x = 155,621,913,778.52
  5. Step 5: Solve for x
    x = 155,621,913,778.52/452,920.43
  6. Step 6: Final answer
    x = 343,596.59

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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.