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Finding the Fourth Proportional to 1,066.70, 1,471.78 and 600.95

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Solution

The fourth proportional to 1,066.70, 1,471.78 and 600.95 is: 829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.70 : 1,471.78 = 600.95 : x
  2. Step 2: Convert to fraction form
    1,066.70/1,471.78 = 600.95/x
  3. Step 3: Cross multiply
    1,066.70x = 1,471.78 × 600.95
  4. Step 4: Simplify right side
    1,066.70x = 884,466.19
  5. Step 5: Solve for x
    x = 884,466.19/1,066.70
  6. Step 6: Final answer
    x = 829.16

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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.