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Finding the Fourth Proportional to 552,818.92, 762,508.32 and 338,064.64

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Solution

The fourth proportional to 552,818.92, 762,508.32 and 338,064.64 is: 466,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,818.92 : 762,508.32 = 338,064.64 : x
  2. Step 2: Convert to fraction form
    552,818.92/762,508.32 = 338,064.64/x
  3. Step 3: Cross multiply
    552,818.92x = 762,508.32 × 338,064.64
  4. Step 4: Simplify right side
    552,818.92x = 257,777,100,697.81
  5. Step 5: Solve for x
    x = 257,777,100,697.81/552,818.92
  6. Step 6: Final answer
    x = 466,295.73

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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.