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Finding the Fourth Proportional to 437.46, 656.25 and 148.92

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Solution

The fourth proportional to 437.46, 656.25 and 148.92 is: 223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.46 : 656.25 = 148.92 : x
  2. Step 2: Convert to fraction form
    437.46/656.25 = 148.92/x
  3. Step 3: Cross multiply
    437.46x = 656.25 × 148.92
  4. Step 4: Simplify right side
    437.46x = 97,728.75
  5. Step 5: Solve for x
    x = 97,728.75/437.46
  6. Step 6: Final answer
    x = 223.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.