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Finding the Fourth Proportional to 357,674.78, 536,967.42 and 231,841.57

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Solution

The fourth proportional to 357,674.78, 536,967.42 and 231,841.57 is: 348,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,674.78 : 536,967.42 = 231,841.57 : x
  2. Step 2: Convert to fraction form
    357,674.78/536,967.42 = 231,841.57/x
  3. Step 3: Cross multiply
    357,674.78x = 536,967.42 × 231,841.57
  4. Step 4: Simplify right side
    357,674.78x = 124,491,369,691.65
  5. Step 5: Solve for x
    x = 124,491,369,691.65/357,674.78
  6. Step 6: Final answer
    x = 348,057.44

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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.