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Finding the Fourth Proportional to 571.14, 788.18 and 350.07

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Solution

The fourth proportional to 571.14, 788.18 and 350.07 is: 483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.14 : 788.18 = 350.07 : x
  2. Step 2: Convert to fraction form
    571.14/788.18 = 350.07/x
  3. Step 3: Cross multiply
    571.14x = 788.18 × 350.07
  4. Step 4: Simplify right side
    571.14x = 275,916.42
  5. Step 5: Solve for x
    x = 275,916.42/571.14
  6. Step 6: Final answer
    x = 483.10

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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.