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Finding the Fourth Proportional to 952.83, 1,314.02 and 669.11

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Solution

The fourth proportional to 952.83, 1,314.02 and 669.11 is: 922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.83 : 1,314.02 = 669.11 : x
  2. Step 2: Convert to fraction form
    952.83/1,314.02 = 669.11/x
  3. Step 3: Cross multiply
    952.83x = 1,314.02 × 669.11
  4. Step 4: Simplify right side
    952.83x = 879,219.02
  5. Step 5: Solve for x
    x = 879,219.02/952.83
  6. Step 6: Final answer
    x = 922.74

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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.