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Finding the Fourth Proportional to 633,207.81, 873,826.96 and 342,819.32

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Solution

The fourth proportional to 633,207.81, 873,826.96 and 342,819.32 is: 473,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,207.81 : 873,826.96 = 342,819.32 : x
  2. Step 2: Convert to fraction form
    633,207.81/873,826.96 = 342,819.32/x
  3. Step 3: Cross multiply
    633,207.81x = 873,826.96 × 342,819.32
  4. Step 4: Simplify right side
    633,207.81x = 299,564,764,224.87
  5. Step 5: Solve for x
    x = 299,564,764,224.87/633,207.81
  6. Step 6: Final answer
    x = 473,090.76

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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.