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Finding the Fourth Proportional to 1,015.16, 1,522.80 and 467.19

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Solution

The fourth proportional to 1,015.16, 1,522.80 and 467.19 is: 700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.16 : 1,522.80 = 467.19 : x
  2. Step 2: Convert to fraction form
    1,015.16/1,522.80 = 467.19/x
  3. Step 3: Cross multiply
    1,015.16x = 1,522.80 × 467.19
  4. Step 4: Simplify right side
    1,015.16x = 711,436.93
  5. Step 5: Solve for x
    x = 711,436.93/1,015.16
  6. Step 6: Final answer
    x = 700.82

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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.