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Finding the Fourth Proportional to 1,366.74, 2,048.85 and 500.45

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Solution

The fourth proportional to 1,366.74, 2,048.85 and 500.45 is: 750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.74 : 2,048.85 = 500.45 : x
  2. Step 2: Convert to fraction form
    1,366.74/2,048.85 = 500.45/x
  3. Step 3: Cross multiply
    1,366.74x = 2,048.85 × 500.45
  4. Step 4: Simplify right side
    1,366.74x = 1,025,336.74
  5. Step 5: Solve for x
    x = 1,025,336.74/1,366.74
  6. Step 6: Final answer
    x = 750.21

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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.