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Finding the Fourth Proportional to 324.66, 486.47 and 237.59

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Solution

The fourth proportional to 324.66, 486.47 and 237.59 is: 356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.66 : 486.47 = 237.59 : x
  2. Step 2: Convert to fraction form
    324.66/486.47 = 237.59/x
  3. Step 3: Cross multiply
    324.66x = 486.47 × 237.59
  4. Step 4: Simplify right side
    324.66x = 115,580.41
  5. Step 5: Solve for x
    x = 115,580.41/324.66
  6. Step 6: Final answer
    x = 356.00

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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.