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Finding the Fourth Proportional to 553.13, 763.23 and 332.04

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Solution

The fourth proportional to 553.13, 763.23 and 332.04 is: 458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    553.13 : 763.23 = 332.04 : x
  2. Step 2: Convert to fraction form
    553.13/763.23 = 332.04/x
  3. Step 3: Cross multiply
    553.13x = 763.23 × 332.04
  4. Step 4: Simplify right side
    553.13x = 253,422.89
  5. Step 5: Solve for x
    x = 253,422.89/553.13
  6. Step 6: Final answer
    x = 458.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.