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Finding the Fourth Proportional to 1,250.16, 1,874.94 and 519.04

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Solution

The fourth proportional to 1,250.16, 1,874.94 and 519.04 is: 778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.16 : 1,874.94 = 519.04 : x
  2. Step 2: Convert to fraction form
    1,250.16/1,874.94 = 519.04/x
  3. Step 3: Cross multiply
    1,250.16x = 1,874.94 × 519.04
  4. Step 4: Simplify right side
    1,250.16x = 973,168.86
  5. Step 5: Solve for x
    x = 973,168.86/1,250.16
  6. Step 6: Final answer
    x = 778.44

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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.