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Finding the Fourth Proportional to 1,116.66, 1,673.91 and 467.76

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Solution

The fourth proportional to 1,116.66, 1,673.91 and 467.76 is: 701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.66 : 1,673.91 = 467.76 : x
  2. Step 2: Convert to fraction form
    1,116.66/1,673.91 = 467.76/x
  3. Step 3: Cross multiply
    1,116.66x = 1,673.91 × 467.76
  4. Step 4: Simplify right side
    1,116.66x = 782,988.14
  5. Step 5: Solve for x
    x = 782,988.14/1,116.66
  6. Step 6: Final answer
    x = 701.19

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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.