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Finding the Fourth Proportional to 633,537.26, 874,274.46 and 343,141.61

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Solution

The fourth proportional to 633,537.26, 874,274.46 and 343,141.61 is: 473,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,537.26 : 874,274.46 = 343,141.61 : x
  2. Step 2: Convert to fraction form
    633,537.26/874,274.46 = 343,141.61/x
  3. Step 3: Cross multiply
    633,537.26x = 874,274.46 × 343,141.61
  4. Step 4: Simplify right side
    633,537.26x = 299,999,941,414.91
  5. Step 5: Solve for x
    x = 299,999,941,414.91/633,537.26
  6. Step 6: Final answer
    x = 473,531.65

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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.