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Finding the Fourth Proportional to 636,250.32, 954,491.40 and 262,069.20

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Solution

The fourth proportional to 636,250.32, 954,491.40 and 262,069.20 is: 393,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,250.32 : 954,491.40 = 262,069.20 : x
  2. Step 2: Convert to fraction form
    636,250.32/954,491.40 = 262,069.20/x
  3. Step 3: Cross multiply
    636,250.32x = 954,491.40 × 262,069.20
  4. Step 4: Simplify right side
    636,250.32x = 250,142,797,604.88
  5. Step 5: Solve for x
    x = 250,142,797,604.88/636,250.32
  6. Step 6: Final answer
    x = 393,151.55

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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.