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Finding the Fourth Proportional to 424,079.34, 585,234.12 and 230,487.18

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Solution

The fourth proportional to 424,079.34, 585,234.12 and 230,487.18 is: 318,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,079.34 : 585,234.12 = 230,487.18 : x
  2. Step 2: Convert to fraction form
    424,079.34/585,234.12 = 230,487.18/x
  3. Step 3: Cross multiply
    424,079.34x = 585,234.12 × 230,487.18
  4. Step 4: Simplify right side
    424,079.34x = 134,888,961,958.58
  5. Step 5: Solve for x
    x = 134,888,961,958.58/424,079.34
  6. Step 6: Final answer
    x = 318,074.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.