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Finding the Fourth Proportional to 468.79, 703.08 and 160.63

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Solution

The fourth proportional to 468.79, 703.08 and 160.63 is: 240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.79 : 703.08 = 160.63 : x
  2. Step 2: Convert to fraction form
    468.79/703.08 = 160.63/x
  3. Step 3: Cross multiply
    468.79x = 703.08 × 160.63
  4. Step 4: Simplify right side
    468.79x = 112,935.74
  5. Step 5: Solve for x
    x = 112,935.74/468.79
  6. Step 6: Final answer
    x = 240.91

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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.