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Finding the Fourth Proportional to 443,145.84, 611,538.84 and 241,940.40

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Solution

The fourth proportional to 443,145.84, 611,538.84 and 241,940.40 is: 333,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,145.84 : 611,538.84 = 241,940.40 : x
  2. Step 2: Convert to fraction form
    443,145.84/611,538.84 = 241,940.40/x
  3. Step 3: Cross multiply
    443,145.84x = 611,538.84 × 241,940.40
  4. Step 4: Simplify right side
    443,145.84x = 147,955,951,565.14
  5. Step 5: Solve for x
    x = 147,955,951,565.14/443,145.84
  6. Step 6: Final answer
    x = 333,876.43

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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.