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Finding the Fourth Proportional to 378,046.60, 567,329.10 and 167,835.40

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Solution

The fourth proportional to 378,046.60, 567,329.10 and 167,835.40 is: 251,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,046.60 : 567,329.10 = 167,835.40 : x
  2. Step 2: Convert to fraction form
    378,046.60/567,329.10 = 167,835.40/x
  3. Step 3: Cross multiply
    378,046.60x = 567,329.10 × 167,835.40
  4. Step 4: Simplify right side
    378,046.60x = 95,217,906,430.14
  5. Step 5: Solve for x
    x = 95,217,906,430.14/378,046.60
  6. Step 6: Final answer
    x = 251,868.17

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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.