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Finding the Fourth Proportional to 571.93, 852.28 and 556.09

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Solution

The fourth proportional to 571.93, 852.28 and 556.09 is: 828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.93 : 852.28 = 556.09 : x
  2. Step 2: Convert to fraction form
    571.93/852.28 = 556.09/x
  3. Step 3: Cross multiply
    571.93x = 852.28 × 556.09
  4. Step 4: Simplify right side
    571.93x = 473,940.86
  5. Step 5: Solve for x
    x = 473,940.86/571.93
  6. Step 6: Final answer
    x = 828.67

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.