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Finding the Fourth Proportional to 443,450.57, 611,962.37 and 252,463.95

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Solution

The fourth proportional to 443,450.57, 611,962.37 and 252,463.95 is: 348,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,450.57 : 611,962.37 = 252,463.95 : x
  2. Step 2: Convert to fraction form
    443,450.57/611,962.37 = 252,463.95/x
  3. Step 3: Cross multiply
    443,450.57x = 611,962.37 × 252,463.95
  4. Step 4: Simplify right side
    443,450.57x = 154,498,435,919.24
  5. Step 5: Solve for x
    x = 154,498,435,919.24/443,450.57
  6. Step 6: Final answer
    x = 348,400.58

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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.