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Finding the Fourth Proportional to 288.98, 432.92 and 250

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Solution

The fourth proportional to 288.98, 432.92 and 250 is: 374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288.98 : 432.92 = 250 : x
  2. Step 2: Convert to fraction form
    288.98/432.92 = 250/x
  3. Step 3: Cross multiply
    288.98x = 432.92 × 250
  4. Step 4: Simplify right side
    288.98x = 108,228.75
  5. Step 5: Solve for x
    x = 108,228.75/288.98
  6. Step 6: Final answer
    x = 374.52

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