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Finding the Fourth Proportional to 453,630.26, 625,749 and 283,569.14

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Solution

The fourth proportional to 453,630.26, 625,749 and 283,569.14 is: 391,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,630.26 : 625,749 = 283,569.14 : x
  2. Step 2: Convert to fraction form
    453,630.26/625,749 = 283,569.14/x
  3. Step 3: Cross multiply
    453,630.26x = 625,749 × 283,569.14
  4. Step 4: Simplify right side
    453,630.26x = 177,443,105,785.86
  5. Step 5: Solve for x
    x = 177,443,105,785.86/453,630.26
  6. Step 6: Final answer
    x = 391,162.41

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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.