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Finding the Fourth Proportional to 424,081.34, 585,236.88 and 230,489.18

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Solution

The fourth proportional to 424,081.34, 585,236.88 and 230,489.18 is: 318,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,081.34 : 585,236.88 = 230,489.18 : x
  2. Step 2: Convert to fraction form
    424,081.34/585,236.88 = 230,489.18/x
  3. Step 3: Cross multiply
    424,081.34x = 585,236.88 × 230,489.18
  4. Step 4: Simplify right side
    424,081.34x = 134,890,768,576.96
  5. Step 5: Solve for x
    x = 134,890,768,576.96/424,081.34
  6. Step 6: Final answer
    x = 318,077.59

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1.5x scale

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.