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Finding the Fourth Proportional to 1,364.97, 2,048.67 and 544.86

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Solution

The fourth proportional to 1,364.97, 2,048.67 and 544.86 is: 817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.97 : 2,048.67 = 544.86 : x
  2. Step 2: Convert to fraction form
    1,364.97/2,048.67 = 544.86/x
  3. Step 3: Cross multiply
    1,364.97x = 2,048.67 × 544.86
  4. Step 4: Simplify right side
    1,364.97x = 1,116,238.34
  5. Step 5: Solve for x
    x = 1,116,238.34/1,364.97
  6. Step 6: Final answer
    x = 817.77

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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.