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Finding the Fourth Proportional to 533.44, 797.12 and 436

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Solution

The fourth proportional to 533.44, 797.12 and 436 is: 651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.44 : 797.12 = 436 : x
  2. Step 2: Convert to fraction form
    533.44/797.12 = 436/x
  3. Step 3: Cross multiply
    533.44x = 797.12 × 436
  4. Step 4: Simplify right side
    533.44x = 347,544.32
  5. Step 5: Solve for x
    x = 347,544.32/533.44
  6. Step 6: Final answer
    x = 651.52

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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.