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Finding the Fourth Proportional to 463.64, 695.46 and 293.72

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Solution

The fourth proportional to 463.64, 695.46 and 293.72 is: 440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.64 : 695.46 = 293.72 : x
  2. Step 2: Convert to fraction form
    463.64/695.46 = 293.72/x
  3. Step 3: Cross multiply
    463.64x = 695.46 × 293.72
  4. Step 4: Simplify right side
    463.64x = 204,270.51
  5. Step 5: Solve for x
    x = 204,270.51/463.64
  6. Step 6: Final answer
    x = 440.58

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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.