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Finding the Fourth Proportional to 763.04, 1,144.52 and 250

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Solution

The fourth proportional to 763.04, 1,144.52 and 250 is: 374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    763.04 : 1,144.52 = 250 : x
  2. Step 2: Convert to fraction form
    763.04/1,144.52 = 250/x
  3. Step 3: Cross multiply
    763.04x = 1,144.52 × 250
  4. Step 4: Simplify right side
    763.04x = 286,130
  5. Step 5: Solve for x
    x = 286,130/763.04
  6. Step 6: Final answer
    x = 374.99

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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.