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Finding the Fourth Proportional to 466.72, 700 and 178.16

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Solution

The fourth proportional to 466.72, 700 and 178.16 is: 267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.72 : 700 = 178.16 : x
  2. Step 2: Convert to fraction form
    466.72/700 = 178.16/x
  3. Step 3: Cross multiply
    466.72x = 700 × 178.16
  4. Step 4: Simplify right side
    466.72x = 124,712
  5. Step 5: Solve for x
    x = 124,712/466.72
  6. Step 6: Final answer
    x = 267.21

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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.