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Finding the Fourth Proportional to 633,207.56, 873,826.62 and 342,819.06

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Solution

The fourth proportional to 633,207.56, 873,826.62 and 342,819.06 is: 473,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,207.56 : 873,826.62 = 342,819.06 : x
  2. Step 2: Convert to fraction form
    633,207.56/873,826.62 = 342,819.06/x
  3. Step 3: Cross multiply
    633,207.56x = 873,826.62 × 342,819.06
  4. Step 4: Simplify right side
    633,207.56x = 299,564,420,471.38
  5. Step 5: Solve for x
    x = 299,564,420,471.38/633,207.56
  6. Step 6: Final answer
    x = 473,090.41

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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.