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Finding the Fourth Proportional to 482,670, 724,056.84 and 216,549.36

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Solution

The fourth proportional to 482,670, 724,056.84 and 216,549.36 is: 324,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,670 : 724,056.84 = 216,549.36 : x
  2. Step 2: Convert to fraction form
    482,670/724,056.84 = 216,549.36/x
  3. Step 3: Cross multiply
    482,670x = 724,056.84 × 216,549.36
  4. Step 4: Simplify right side
    482,670x = 156,794,045,305.62
  5. Step 5: Solve for x
    x = 156,794,045,305.62/482,670
  6. Step 6: Final answer
    x = 324,847.30

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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.