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Finding the Fourth Proportional to 707,996.40, 1,061,601 and 234,423.42

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Solution

The fourth proportional to 707,996.40, 1,061,601 and 234,423.42 is: 351,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,996.40 : 1,061,601 = 234,423.42 : x
  2. Step 2: Convert to fraction form
    707,996.40/1,061,601 = 234,423.42/x
  3. Step 3: Cross multiply
    707,996.40x = 1,061,601 × 234,423.42
  4. Step 4: Simplify right side
    707,996.40x = 248,864,137,095.42
  5. Step 5: Solve for x
    x = 248,864,137,095.42/707,996.40
  6. Step 6: Final answer
    x = 351,504.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.