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Finding the Fourth Proportional to 296.24, 446.66 and 270.32

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Solution

The fourth proportional to 296.24, 446.66 and 270.32 is: 407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.24 : 446.66 = 270.32 : x
  2. Step 2: Convert to fraction form
    296.24/446.66 = 270.32/x
  3. Step 3: Cross multiply
    296.24x = 446.66 × 270.32
  4. Step 4: Simplify right side
    296.24x = 120,741.13
  5. Step 5: Solve for x
    x = 120,741.13/296.24
  6. Step 6: Final answer
    x = 407.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.