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Finding the Fourth Proportional to 466.02, 643.42 and 360.93

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Solution

The fourth proportional to 466.02, 643.42 and 360.93 is: 498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.02 : 643.42 = 360.93 : x
  2. Step 2: Convert to fraction form
    466.02/643.42 = 360.93/x
  3. Step 3: Cross multiply
    466.02x = 643.42 × 360.93
  4. Step 4: Simplify right side
    466.02x = 232,229.58
  5. Step 5: Solve for x
    x = 232,229.58/466.02
  6. Step 6: Final answer
    x = 498.33

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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.