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Finding the Fourth Proportional to 443,571.59, 612,128.18 and 252,584.97

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Solution

The fourth proportional to 443,571.59, 612,128.18 and 252,584.97 is: 348,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,571.59 : 612,128.18 = 252,584.97 : x
  2. Step 2: Convert to fraction form
    443,571.59/612,128.18 = 252,584.97/x
  3. Step 3: Cross multiply
    443,571.59x = 612,128.18 × 252,584.97
  4. Step 4: Simplify right side
    443,571.59x = 154,614,377,981.46
  5. Step 5: Solve for x
    x = 154,614,377,981.46/443,571.59
  6. Step 6: Final answer
    x = 348,566.91

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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.