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Finding the Fourth Proportional to 1,114.88, 1,672.56 and 466.10

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Solution

The fourth proportional to 1,114.88, 1,672.56 and 466.10 is: 699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.88 : 1,672.56 = 466.10 : x
  2. Step 2: Convert to fraction form
    1,114.88/1,672.56 = 466.10/x
  3. Step 3: Cross multiply
    1,114.88x = 1,672.56 × 466.10
  4. Step 4: Simplify right side
    1,114.88x = 779,580.22
  5. Step 5: Solve for x
    x = 779,580.22/1,114.88
  6. Step 6: Final answer
    x = 699.25

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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.