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Finding the Fourth Proportional to 1,500.30, 2,238.99 and 1,336.27

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Solution

The fourth proportional to 1,500.30, 2,238.99 and 1,336.27 is: 1,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.30 : 2,238.99 = 1,336.27 : x
  2. Step 2: Convert to fraction form
    1,500.30/2,238.99 = 1,336.27/x
  3. Step 3: Cross multiply
    1,500.30x = 2,238.99 × 1,336.27
  4. Step 4: Simplify right side
    1,500.30x = 2,991,895.17
  5. Step 5: Solve for x
    x = 2,991,895.17/1,500.30
  6. Step 6: Final answer
    x = 1,994.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.