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Finding the Fourth Proportional to 1,244.86, 1,867.57 and 367.35

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Solution

The fourth proportional to 1,244.86, 1,867.57 and 367.35 is: 551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.86 : 1,867.57 = 367.35 : x
  2. Step 2: Convert to fraction form
    1,244.86/1,867.57 = 367.35/x
  3. Step 3: Cross multiply
    1,244.86x = 1,867.57 × 367.35
  4. Step 4: Simplify right side
    1,244.86x = 686,059.30
  5. Step 5: Solve for x
    x = 686,059.30/1,244.86
  6. Step 6: Final answer
    x = 551.11

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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.