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Finding the Fourth Proportional to 507, 759.60 and 232.68

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Solution

The fourth proportional to 507, 759.60 and 232.68 is: 348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    507 : 759.60 = 232.68 : x
  2. Step 2: Convert to fraction form
    507/759.60 = 232.68/x
  3. Step 3: Cross multiply
    507x = 759.60 × 232.68
  4. Step 4: Simplify right side
    507x = 176,743.73
  5. Step 5: Solve for x
    x = 176,743.73/507
  6. Step 6: Final answer
    x = 348.61

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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.