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Finding the Fourth Proportional to 533.42, 795.46 and 528.56

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Solution

The fourth proportional to 533.42, 795.46 and 528.56 is: 788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.42 : 795.46 = 528.56 : x
  2. Step 2: Convert to fraction form
    533.42/795.46 = 528.56/x
  3. Step 3: Cross multiply
    533.42x = 795.46 × 528.56
  4. Step 4: Simplify right side
    533.42x = 420,448.34
  5. Step 5: Solve for x
    x = 420,448.34/533.42
  6. Step 6: Final answer
    x = 788.21

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Why These Related Problems?

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