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Finding the Fourth Proportional to 1,443.41, 2,165.74 and 566.18

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Solution

The fourth proportional to 1,443.41, 2,165.74 and 566.18 is: 849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443.41 : 2,165.74 = 566.18 : x
  2. Step 2: Convert to fraction form
    1,443.41/2,165.74 = 566.18/x
  3. Step 3: Cross multiply
    1,443.41x = 2,165.74 × 566.18
  4. Step 4: Simplify right side
    1,443.41x = 1,226,198.67
  5. Step 5: Solve for x
    x = 1,226,198.67/1,443.41
  6. Step 6: Final answer
    x = 849.52

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1.5x scale

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.