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Finding the Fourth Proportional to 1,022.64, 1,533.26 and 502.16

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Solution

The fourth proportional to 1,022.64, 1,533.26 and 502.16 is: 752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.64 : 1,533.26 = 502.16 : x
  2. Step 2: Convert to fraction form
    1,022.64/1,533.26 = 502.16/x
  3. Step 3: Cross multiply
    1,022.64x = 1,533.26 × 502.16
  4. Step 4: Simplify right side
    1,022.64x = 769,941.84
  5. Step 5: Solve for x
    x = 769,941.84/1,022.64
  6. Step 6: Final answer
    x = 752.90

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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.