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Finding the Fourth Proportional to 424,233, 636,316.20 and 246,626.64

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Solution

The fourth proportional to 424,233, 636,316.20 and 246,626.64 is: 369,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,233 : 636,316.20 = 246,626.64 : x
  2. Step 2: Convert to fraction form
    424,233/636,316.20 = 246,626.64/x
  3. Step 3: Cross multiply
    424,233x = 636,316.20 × 246,626.64
  4. Step 4: Simplify right side
    424,233x = 156,932,526,383.57
  5. Step 5: Solve for x
    x = 156,932,526,383.57/424,233
  6. Step 6: Final answer
    x = 369,920.60

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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.