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Finding the Fourth Proportional to 571.92, 786.60 and 533.04

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Solution

The fourth proportional to 571.92, 786.60 and 533.04 is: 733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.92 : 786.60 = 533.04 : x
  2. Step 2: Convert to fraction form
    571.92/786.60 = 533.04/x
  3. Step 3: Cross multiply
    571.92x = 786.60 × 533.04
  4. Step 4: Simplify right side
    571.92x = 419,289.26
  5. Step 5: Solve for x
    x = 419,289.26/571.92
  6. Step 6: Final answer
    x = 733.13

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Why These Related Problems?

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