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Finding the Fourth Proportional to 1,033.64, 1,550.91 and 384.22

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Solution

The fourth proportional to 1,033.64, 1,550.91 and 384.22 is: 576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.64 : 1,550.91 = 384.22 : x
  2. Step 2: Convert to fraction form
    1,033.64/1,550.91 = 384.22/x
  3. Step 3: Cross multiply
    1,033.64x = 1,550.91 × 384.22
  4. Step 4: Simplify right side
    1,033.64x = 595,890.64
  5. Step 5: Solve for x
    x = 595,890.64/1,033.64
  6. Step 6: Final answer
    x = 576.50

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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.