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Finding the Fourth Proportional to 895.77, 1,236.26 and 502.83

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Solution

The fourth proportional to 895.77, 1,236.26 and 502.83 is: 693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.77 : 1,236.26 = 502.83 : x
  2. Step 2: Convert to fraction form
    895.77/1,236.26 = 502.83/x
  3. Step 3: Cross multiply
    895.77x = 1,236.26 × 502.83
  4. Step 4: Simplify right side
    895.77x = 621,626.10
  5. Step 5: Solve for x
    x = 621,626.10/895.77
  6. Step 6: Final answer
    x = 693.96

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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.