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Finding the Fourth Proportional to 1,263.54, 1,895.29 and 494.04

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Solution

The fourth proportional to 1,263.54, 1,895.29 and 494.04 is: 741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.54 : 1,895.29 = 494.04 : x
  2. Step 2: Convert to fraction form
    1,263.54/1,895.29 = 494.04/x
  3. Step 3: Cross multiply
    1,263.54x = 1,895.29 × 494.04
  4. Step 4: Simplify right side
    1,263.54x = 936,347.84
  5. Step 5: Solve for x
    x = 936,347.84/1,263.54
  6. Step 6: Final answer
    x = 741.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.