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Finding the Fourth Proportional to 633,360.97, 874,037.69 and 342,972.43

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Solution

The fourth proportional to 633,360.97, 874,037.69 and 342,972.43 is: 473,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,360.97 : 874,037.69 = 342,972.43 : x
  2. Step 2: Convert to fraction form
    633,360.97/874,037.69 = 342,972.43/x
  3. Step 3: Cross multiply
    633,360.97x = 874,037.69 × 342,972.43
  4. Step 4: Simplify right side
    633,360.97x = 299,770,827,837.08
  5. Step 5: Solve for x
    x = 299,770,827,837.08/633,360.97
  6. Step 6: Final answer
    x = 473,301.71

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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.