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Finding the Fourth Proportional to 1,069.76, 1,476.31 and 604

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Solution

The fourth proportional to 1,069.76, 1,476.31 and 604 is: 833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.76 : 1,476.31 = 604 : x
  2. Step 2: Convert to fraction form
    1,069.76/1,476.31 = 604/x
  3. Step 3: Cross multiply
    1,069.76x = 1,476.31 × 604
  4. Step 4: Simplify right side
    1,069.76x = 891,691.24
  5. Step 5: Solve for x
    x = 891,691.24/1,069.76
  6. Step 6: Final answer
    x = 833.54

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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.