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Finding the Fourth Proportional to 734.13, 1,101.06 and 473.31

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Solution

The fourth proportional to 734.13, 1,101.06 and 473.31 is: 709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.13 : 1,101.06 = 473.31 : x
  2. Step 2: Convert to fraction form
    734.13/1,101.06 = 473.31/x
  3. Step 3: Cross multiply
    734.13x = 1,101.06 × 473.31
  4. Step 4: Simplify right side
    734.13x = 521,142.71
  5. Step 5: Solve for x
    x = 521,142.71/734.13
  6. Step 6: Final answer
    x = 709.88

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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.