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Finding the Fourth Proportional to 467.02, 644.51 and 260.02

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Solution

The fourth proportional to 467.02, 644.51 and 260.02 is: 358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.02 : 644.51 = 260.02 : x
  2. Step 2: Convert to fraction form
    467.02/644.51 = 260.02/x
  3. Step 3: Cross multiply
    467.02x = 644.51 × 260.02
  4. Step 4: Simplify right side
    467.02x = 167,585.49
  5. Step 5: Solve for x
    x = 167,585.49/467.02
  6. Step 6: Final answer
    x = 358.84

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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.