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Finding the Fourth Proportional to 424,193.60, 636,257.32 and 246,587.33

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Solution

The fourth proportional to 424,193.60, 636,257.32 and 246,587.33 is: 369,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,193.60 : 636,257.32 = 246,587.33 : x
  2. Step 2: Convert to fraction form
    424,193.60/636,257.32 = 246,587.33/x
  3. Step 3: Cross multiply
    424,193.60x = 636,257.32 × 246,587.33
  4. Step 4: Simplify right side
    424,193.60x = 156,892,993,731.76
  5. Step 5: Solve for x
    x = 156,892,993,731.76/424,193.60
  6. Step 6: Final answer
    x = 369,861.77

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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.