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Finding the Fourth Proportional to 460.74, 690.57 and 244.26

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Solution

The fourth proportional to 460.74, 690.57 and 244.26 is: 366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.74 : 690.57 = 244.26 : x
  2. Step 2: Convert to fraction form
    460.74/690.57 = 244.26/x
  3. Step 3: Cross multiply
    460.74x = 690.57 × 244.26
  4. Step 4: Simplify right side
    460.74x = 168,678.63
  5. Step 5: Solve for x
    x = 168,678.63/460.74
  6. Step 6: Final answer
    x = 366.10

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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.