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Finding the Fourth Proportional to 741.24, 1,111.17 and 466.50

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Solution

The fourth proportional to 741.24, 1,111.17 and 466.50 is: 699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.24 : 1,111.17 = 466.50 : x
  2. Step 2: Convert to fraction form
    741.24/1,111.17 = 466.50/x
  3. Step 3: Cross multiply
    741.24x = 1,111.17 × 466.50
  4. Step 4: Simplify right side
    741.24x = 518,360.81
  5. Step 5: Solve for x
    x = 518,360.81/741.24
  6. Step 6: Final answer
    x = 699.32

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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.