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Finding the Fourth Proportional to 466.61, 699.93 and 192.74

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Solution

The fourth proportional to 466.61, 699.93 and 192.74 is: 289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.61 : 699.93 = 192.74 : x
  2. Step 2: Convert to fraction form
    466.61/699.93 = 192.74/x
  3. Step 3: Cross multiply
    466.61x = 699.93 × 192.74
  4. Step 4: Simplify right side
    466.61x = 134,901.01
  5. Step 5: Solve for x
    x = 134,901.01/466.61
  6. Step 6: Final answer
    x = 289.11

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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.