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Finding the Fourth Proportional to 452,921.43, 625,039.34 and 248,980.94

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Solution

The fourth proportional to 452,921.43, 625,039.34 and 248,980.94 is: 343,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,921.43 : 625,039.34 = 248,980.94 : x
  2. Step 2: Convert to fraction form
    452,921.43/625,039.34 = 248,980.94/x
  3. Step 3: Cross multiply
    452,921.43x = 625,039.34 × 248,980.94
  4. Step 4: Simplify right side
    452,921.43x = 155,622,882,410.18
  5. Step 5: Solve for x
    x = 155,622,882,410.18/452,921.43
  6. Step 6: Final answer
    x = 343,597.97

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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.