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Finding the Fourth Proportional to 895.48, 1,235.73 and 502.53

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Solution

The fourth proportional to 895.48, 1,235.73 and 502.53 is: 693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.48 : 1,235.73 = 502.53 : x
  2. Step 2: Convert to fraction form
    895.48/1,235.73 = 502.53/x
  3. Step 3: Cross multiply
    895.48x = 1,235.73 × 502.53
  4. Step 4: Simplify right side
    895.48x = 620,991.40
  5. Step 5: Solve for x
    x = 620,991.40/895.48
  6. Step 6: Final answer
    x = 693.47

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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.