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Finding the Fourth Proportional to 895.14, 1,235.31 and 502.14

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Solution

The fourth proportional to 895.14, 1,235.31 and 502.14 is: 692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.14 : 1,235.31 = 502.14 : x
  2. Step 2: Convert to fraction form
    895.14/1,235.31 = 502.14/x
  3. Step 3: Cross multiply
    895.14x = 1,235.31 × 502.14
  4. Step 4: Simplify right side
    895.14x = 620,298.56
  5. Step 5: Solve for x
    x = 620,298.56/895.14
  6. Step 6: Final answer
    x = 692.96

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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.