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Finding the Fourth Proportional to 895.73, 1,236.06 and 502.74

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Solution

The fourth proportional to 895.73, 1,236.06 and 502.74 is: 693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.73 : 1,236.06 = 502.74 : x
  2. Step 2: Convert to fraction form
    895.73/1,236.06 = 502.74/x
  3. Step 3: Cross multiply
    895.73x = 1,236.06 × 502.74
  4. Step 4: Simplify right side
    895.73x = 621,416.80
  5. Step 5: Solve for x
    x = 621,416.80/895.73
  6. Step 6: Final answer
    x = 693.76

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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.