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Finding the Fourth Proportional to 533.63, 798.72 and 483.11

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Solution

The fourth proportional to 533.63, 798.72 and 483.11 is: 723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.63 : 798.72 = 483.11 : x
  2. Step 2: Convert to fraction form
    533.63/798.72 = 483.11/x
  3. Step 3: Cross multiply
    533.63x = 798.72 × 483.11
  4. Step 4: Simplify right side
    533.63x = 385,869.62
  5. Step 5: Solve for x
    x = 385,869.62/533.63
  6. Step 6: Final answer
    x = 723.10

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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.