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Finding the Fourth Proportional to 1,015.63, 1,522.90 and 467.33

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Solution

The fourth proportional to 1,015.63, 1,522.90 and 467.33 is: 700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.63 : 1,522.90 = 467.33 : x
  2. Step 2: Convert to fraction form
    1,015.63/1,522.90 = 467.33/x
  3. Step 3: Cross multiply
    1,015.63x = 1,522.90 × 467.33
  4. Step 4: Simplify right side
    1,015.63x = 711,700.53
  5. Step 5: Solve for x
    x = 711,700.53/1,015.63
  6. Step 6: Final answer
    x = 700.75

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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.