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Finding the Fourth Proportional to 443,336.16, 611,807.94 and 252,361.92

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Solution

The fourth proportional to 443,336.16, 611,807.94 and 252,361.92 is: 348,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,336.16 : 611,807.94 = 252,361.92 : x
  2. Step 2: Convert to fraction form
    443,336.16/611,807.94 = 252,361.92/x
  3. Step 3: Cross multiply
    443,336.16x = 611,807.94 × 252,361.92
  4. Step 4: Simplify right side
    443,336.16x = 154,397,026,409.65
  5. Step 5: Solve for x
    x = 154,397,026,409.65/443,336.16
  6. Step 6: Final answer
    x = 348,261.75

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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.