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Finding the Fourth Proportional to 512,305.04, 768,578.52 and 175,349.84

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Solution

The fourth proportional to 512,305.04, 768,578.52 and 175,349.84 is: 263,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,305.04 : 768,578.52 = 175,349.84 : x
  2. Step 2: Convert to fraction form
    512,305.04/768,578.52 = 175,349.84/x
  3. Step 3: Cross multiply
    512,305.04x = 768,578.52 × 175,349.84
  4. Step 4: Simplify right side
    512,305.04x = 134,770,120,509.44
  5. Step 5: Solve for x
    x = 134,770,120,509.44/512,305.04
  6. Step 6: Final answer
    x = 263,066.16

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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.