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Finding the Fourth Proportional to 460.48, 690.28 and 244.08

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Solution

The fourth proportional to 460.48, 690.28 and 244.08 is: 365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.48 : 690.28 = 244.08 : x
  2. Step 2: Convert to fraction form
    460.48/690.28 = 244.08/x
  3. Step 3: Cross multiply
    460.48x = 690.28 × 244.08
  4. Step 4: Simplify right side
    460.48x = 168,483.54
  5. Step 5: Solve for x
    x = 168,483.54/460.48
  6. Step 6: Final answer
    x = 365.89

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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.