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Finding the Fourth Proportional to 452,921.27, 625,039.11 and 248,980.77

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Solution

The fourth proportional to 452,921.27, 625,039.11 and 248,980.77 is: 343,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,921.27 : 625,039.11 = 248,980.77 : x
  2. Step 2: Convert to fraction form
    452,921.27/625,039.11 = 248,980.77/x
  3. Step 3: Cross multiply
    452,921.27x = 625,039.11 × 248,980.77
  4. Step 4: Simplify right side
    452,921.27x = 155,622,718,887.92
  5. Step 5: Solve for x
    x = 155,622,718,887.92/452,921.27
  6. Step 6: Final answer
    x = 343,597.73

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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.