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Finding the Fourth Proportional to 552,777.63, 762,451.43 and 338,023.41

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Solution

The fourth proportional to 552,777.63, 762,451.43 and 338,023.41 is: 466,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,777.63 : 762,451.43 = 338,023.41 : x
  2. Step 2: Convert to fraction form
    552,777.63/762,451.43 = 338,023.41/x
  3. Step 3: Cross multiply
    552,777.63x = 762,451.43 × 338,023.41
  4. Step 4: Simplify right side
    552,777.63x = 257,726,430,637.86
  5. Step 5: Solve for x
    x = 257,726,430,637.86/552,777.63
  6. Step 6: Final answer
    x = 466,238.89

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1.5x scale

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.