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Finding the Fourth Proportional to 895.49, 1,235.87 and 502.52

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Solution

The fourth proportional to 895.49, 1,235.87 and 502.52 is: 693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.49 : 1,235.87 = 502.52 : x
  2. Step 2: Convert to fraction form
    895.49/1,235.87 = 502.52/x
  3. Step 3: Cross multiply
    895.49x = 1,235.87 × 502.52
  4. Step 4: Simplify right side
    895.49x = 621,040.70
  5. Step 5: Solve for x
    x = 621,040.70/895.49
  6. Step 6: Final answer
    x = 693.52

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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.