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Finding the Fourth Proportional to 452,939.34, 625,064.24 and 248,998.86

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Solution

The fourth proportional to 452,939.34, 625,064.24 and 248,998.86 is: 343,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,939.34 : 625,064.24 = 248,998.86 : x
  2. Step 2: Convert to fraction form
    452,939.34/625,064.24 = 248,998.86/x
  3. Step 3: Cross multiply
    452,939.34x = 625,064.24 × 248,998.86
  4. Step 4: Simplify right side
    452,939.34x = 155,640,283,809.26
  5. Step 5: Solve for x
    x = 155,640,283,809.26/452,939.34
  6. Step 6: Final answer
    x = 343,622.80

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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.