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Finding the Fourth Proportional to 467,134.35, 644,645.39 and 252,274.41

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Solution

The fourth proportional to 467,134.35, 644,645.39 and 252,274.41 is: 348,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,134.35 : 644,645.39 = 252,274.41 : x
  2. Step 2: Convert to fraction form
    467,134.35/644,645.39 = 252,274.41/x
  3. Step 3: Cross multiply
    467,134.35x = 644,645.39 × 252,274.41
  4. Step 4: Simplify right side
    467,134.35x = 162,627,534,160.10
  5. Step 5: Solve for x
    x = 162,627,534,160.10/467,134.35
  6. Step 6: Final answer
    x = 348,138.68

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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.