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Finding the Fourth Proportional to 633,191.72, 873,806.01 and 342,806.34

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Solution

The fourth proportional to 633,191.72, 873,806.01 and 342,806.34 is: 473,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,191.72 : 873,806.01 = 342,806.34 : x
  2. Step 2: Convert to fraction form
    633,191.72/873,806.01 = 342,806.34/x
  3. Step 3: Cross multiply
    633,191.72x = 873,806.01 × 342,806.34
  4. Step 4: Simplify right side
    633,191.72x = 299,546,238,519.72
  5. Step 5: Solve for x
    x = 299,546,238,519.72/633,191.72
  6. Step 6: Final answer
    x = 473,073.53

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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.