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Finding the Fourth Proportional to 1,072.41, 1,479.74 and 600.32

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Solution

The fourth proportional to 1,072.41, 1,479.74 and 600.32 is: 828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072.41 : 1,479.74 = 600.32 : x
  2. Step 2: Convert to fraction form
    1,072.41/1,479.74 = 600.32/x
  3. Step 3: Cross multiply
    1,072.41x = 1,479.74 × 600.32
  4. Step 4: Simplify right side
    1,072.41x = 888,307.12
  5. Step 5: Solve for x
    x = 888,307.12/1,072.41
  6. Step 6: Final answer
    x = 828.33

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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.