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Finding the Fourth Proportional to 1,015.09, 1,522.65 and 467.12

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Solution

The fourth proportional to 1,015.09, 1,522.65 and 467.12 is: 700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.09 : 1,522.65 = 467.12 : x
  2. Step 2: Convert to fraction form
    1,015.09/1,522.65 = 467.12/x
  3. Step 3: Cross multiply
    1,015.09x = 1,522.65 × 467.12
  4. Step 4: Simplify right side
    1,015.09x = 711,260.27
  5. Step 5: Solve for x
    x = 711,260.27/1,015.09
  6. Step 6: Final answer
    x = 700.69

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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.