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Finding the Fourth Proportional to 967.14, 1,448.13 and 555.66

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Solution

The fourth proportional to 967.14, 1,448.13 and 555.66 is: 832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.14 : 1,448.13 = 555.66 : x
  2. Step 2: Convert to fraction form
    967.14/1,448.13 = 555.66/x
  3. Step 3: Cross multiply
    967.14x = 1,448.13 × 555.66
  4. Step 4: Simplify right side
    967.14x = 804,667.92
  5. Step 5: Solve for x
    x = 804,667.92/967.14
  6. Step 6: Final answer
    x = 832.01

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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.