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Finding the Fourth Proportional to 1,624.61, 2,438.00 and 884.41

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Solution

The fourth proportional to 1,624.61, 2,438.00 and 884.41 is: 1,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.61 : 2,438.00 = 884.41 : x
  2. Step 2: Convert to fraction form
    1,624.61/2,438.00 = 884.41/x
  3. Step 3: Cross multiply
    1,624.61x = 2,438.00 × 884.41
  4. Step 4: Simplify right side
    1,624.61x = 2,156,185.70
  5. Step 5: Solve for x
    x = 2,156,185.70/1,624.61
  6. Step 6: Final answer
    x = 1,327.20

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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.