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Finding the Fourth Proportional to 1,010.13, 1,514.37 and 523.32

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Solution

The fourth proportional to 1,010.13, 1,514.37 and 523.32 is: 784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.13 : 1,514.37 = 523.32 : x
  2. Step 2: Convert to fraction form
    1,010.13/1,514.37 = 523.32/x
  3. Step 3: Cross multiply
    1,010.13x = 1,514.37 × 523.32
  4. Step 4: Simplify right side
    1,010.13x = 792,500.11
  5. Step 5: Solve for x
    x = 792,500.11/1,010.13
  6. Step 6: Final answer
    x = 784.55

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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.