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Finding the Fourth Proportional to 636,255.99, 954,236.34 and 281,076.24

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Solution

The fourth proportional to 636,255.99, 954,236.34 and 281,076.24 is: 421,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,255.99 : 954,236.34 = 281,076.24 : x
  2. Step 2: Convert to fraction form
    636,255.99/954,236.34 = 281,076.24/x
  3. Step 3: Cross multiply
    636,255.99x = 954,236.34 × 281,076.24
  4. Step 4: Simplify right side
    636,255.99x = 268,213,162,518.56
  5. Step 5: Solve for x
    x = 268,213,162,518.56/636,255.99
  6. Step 6: Final answer
    x = 421,549.14

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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.