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Finding the Fourth Proportional to 482,863.82, 724,120.74 and 216,487.22

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Solution

The fourth proportional to 482,863.82, 724,120.74 and 216,487.22 is: 324,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,863.82 : 724,120.74 = 216,487.22 : x
  2. Step 2: Convert to fraction form
    482,863.82/724,120.74 = 216,487.22/x
  3. Step 3: Cross multiply
    482,863.82x = 724,120.74 × 216,487.22
  4. Step 4: Simplify right side
    482,863.82x = 156,762,885,946.94
  5. Step 5: Solve for x
    x = 156,762,885,946.94/482,863.82
  6. Step 6: Final answer
    x = 324,652.37

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1.5x scale

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.