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Finding the Fourth Proportional to 436.63, 602.56 and 237.46

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Solution

The fourth proportional to 436.63, 602.56 and 237.46 is: 327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.63 : 602.56 = 237.46 : x
  2. Step 2: Convert to fraction form
    436.63/602.56 = 237.46/x
  3. Step 3: Cross multiply
    436.63x = 602.56 × 237.46
  4. Step 4: Simplify right side
    436.63x = 143,083.90
  5. Step 5: Solve for x
    x = 143,083.90/436.63
  6. Step 6: Final answer
    x = 327.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.