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Finding the Fourth Proportional to 467.16, 700.72 and 120.50

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Solution

The fourth proportional to 467.16, 700.72 and 120.50 is: 180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.16 : 700.72 = 120.50 : x
  2. Step 2: Convert to fraction form
    467.16/700.72 = 120.50/x
  3. Step 3: Cross multiply
    467.16x = 700.72 × 120.50
  4. Step 4: Simplify right side
    467.16x = 84,436.76
  5. Step 5: Solve for x
    x = 84,436.76/467.16
  6. Step 6: Final answer
    x = 180.74

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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.