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Finding the Fourth Proportional to 633,394.73, 874,085.22 and 343,008.59

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Solution

The fourth proportional to 633,394.73, 874,085.22 and 343,008.59 is: 473,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,394.73 : 874,085.22 = 343,008.59 : x
  2. Step 2: Convert to fraction form
    633,394.73/874,085.22 = 343,008.59/x
  3. Step 3: Cross multiply
    633,394.73x = 874,085.22 × 343,008.59
  4. Step 4: Simplify right side
    633,394.73x = 299,818,734,481.61
  5. Step 5: Solve for x
    x = 299,818,734,481.61/633,394.73
  6. Step 6: Final answer
    x = 473,352.11

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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.