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Finding the Fourth Proportional to 437.83, 657.00 and 164.11

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Solution

The fourth proportional to 437.83, 657.00 and 164.11 is: 246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.83 : 657.00 = 164.11 : x
  2. Step 2: Convert to fraction form
    437.83/657.00 = 164.11/x
  3. Step 3: Cross multiply
    437.83x = 657.00 × 164.11
  4. Step 4: Simplify right side
    437.83x = 107,816.16
  5. Step 5: Solve for x
    x = 107,816.16/437.83
  6. Step 6: Final answer
    x = 246.25

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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.