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Finding the Fourth Proportional to 467,136.35, 644,648.14 and 252,276.41

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Solution

The fourth proportional to 467,136.35, 644,648.14 and 252,276.41 is: 348,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,136.35 : 644,648.14 = 252,276.41 : x
  2. Step 2: Convert to fraction form
    467,136.35/644,648.14 = 252,276.41/x
  3. Step 3: Cross multiply
    467,136.35x = 644,648.14 × 252,276.41
  4. Step 4: Simplify right side
    467,136.35x = 162,629,518,472.38
  5. Step 5: Solve for x
    x = 162,629,518,472.38/467,136.35
  6. Step 6: Final answer
    x = 348,141.43

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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.