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Finding the Fourth Proportional to 1,161.84, 1,741.76 and 467.76

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Solution

The fourth proportional to 1,161.84, 1,741.76 and 467.76 is: 701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.84 : 1,741.76 = 467.76 : x
  2. Step 2: Convert to fraction form
    1,161.84/1,741.76 = 467.76/x
  3. Step 3: Cross multiply
    1,161.84x = 1,741.76 × 467.76
  4. Step 4: Simplify right side
    1,161.84x = 814,725.66
  5. Step 5: Solve for x
    x = 814,725.66/1,161.84
  6. Step 6: Final answer
    x = 701.24

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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.