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Finding the Fourth Proportional to 594.28, 889.42 and 571.56

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Solution

The fourth proportional to 594.28, 889.42 and 571.56 is: 855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.28 : 889.42 = 571.56 : x
  2. Step 2: Convert to fraction form
    594.28/889.42 = 571.56/x
  3. Step 3: Cross multiply
    594.28x = 889.42 × 571.56
  4. Step 4: Simplify right side
    594.28x = 508,356.90
  5. Step 5: Solve for x
    x = 508,356.90/594.28
  6. Step 6: Final answer
    x = 855.42

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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.