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Finding the Fourth Proportional to 469.22, 703.35 and 237.68

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Solution

The fourth proportional to 469.22, 703.35 and 237.68 is: 356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.22 : 703.35 = 237.68 : x
  2. Step 2: Convert to fraction form
    469.22/703.35 = 237.68/x
  3. Step 3: Cross multiply
    469.22x = 703.35 × 237.68
  4. Step 4: Simplify right side
    469.22x = 167,172.23
  5. Step 5: Solve for x
    x = 167,172.23/469.22
  6. Step 6: Final answer
    x = 356.28

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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.