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Finding the Fourth Proportional to 633,660.48, 874,418.04 and 361,717.56

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Solution

The fourth proportional to 633,660.48, 874,418.04 and 361,717.56 is: 499,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,660.48 : 874,418.04 = 361,717.56 : x
  2. Step 2: Convert to fraction form
    633,660.48/874,418.04 = 361,717.56/x
  3. Step 3: Cross multiply
    633,660.48x = 874,418.04 × 361,717.56
  4. Step 4: Simplify right side
    633,660.48x = 316,292,359,848.78
  5. Step 5: Solve for x
    x = 316,292,359,848.78/633,660.48
  6. Step 6: Final answer
    x = 499,151.15

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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.