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Finding the Fourth Proportional to 283, 390.52 and 246.14

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Solution

The fourth proportional to 283, 390.52 and 246.14 is: 339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    283 : 390.52 = 246.14 : x
  2. Step 2: Convert to fraction form
    283/390.52 = 246.14/x
  3. Step 3: Cross multiply
    283x = 390.52 × 246.14
  4. Step 4: Simplify right side
    283x = 96,122.59
  5. Step 5: Solve for x
    x = 96,122.59/283
  6. Step 6: Final answer
    x = 339.66

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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.