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Finding the Fourth Proportional to 895.79, 1,236.24 and 502.94

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Solution

The fourth proportional to 895.79, 1,236.24 and 502.94 is: 694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.79 : 1,236.24 = 502.94 : x
  2. Step 2: Convert to fraction form
    895.79/1,236.24 = 502.94/x
  3. Step 3: Cross multiply
    895.79x = 1,236.24 × 502.94
  4. Step 4: Simplify right side
    895.79x = 621,757.64
  5. Step 5: Solve for x
    x = 621,757.64/895.79
  6. Step 6: Final answer
    x = 694.09

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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.