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Finding the Fourth Proportional to 1,072.53, 1,480.22 and 600.45

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Solution

The fourth proportional to 1,072.53, 1,480.22 and 600.45 is: 828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072.53 : 1,480.22 = 600.45 : x
  2. Step 2: Convert to fraction form
    1,072.53/1,480.22 = 600.45/x
  3. Step 3: Cross multiply
    1,072.53x = 1,480.22 × 600.45
  4. Step 4: Simplify right side
    1,072.53x = 888,798.10
  5. Step 5: Solve for x
    x = 888,798.10/1,072.53
  6. Step 6: Final answer
    x = 828.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.