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Finding the Fourth Proportional to 533.07, 799.59 and 148.32

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Solution

The fourth proportional to 533.07, 799.59 and 148.32 is: 222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.07 : 799.59 = 148.32 : x
  2. Step 2: Convert to fraction form
    533.07/799.59 = 148.32/x
  3. Step 3: Cross multiply
    533.07x = 799.59 × 148.32
  4. Step 4: Simplify right side
    533.07x = 118,595.19
  5. Step 5: Solve for x
    x = 118,595.19/533.07
  6. Step 6: Final answer
    x = 222.48

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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.