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Finding the Fourth Proportional to 1,014.87, 1,521.78 and 466.58

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Solution

The fourth proportional to 1,014.87, 1,521.78 and 466.58 is: 699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.87 : 1,521.78 = 466.58 : x
  2. Step 2: Convert to fraction form
    1,014.87/1,521.78 = 466.58/x
  3. Step 3: Cross multiply
    1,014.87x = 1,521.78 × 466.58
  4. Step 4: Simplify right side
    1,014.87x = 710,032.11
  5. Step 5: Solve for x
    x = 710,032.11/1,014.87
  6. Step 6: Final answer
    x = 699.63

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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.