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Finding the Fourth Proportional to 322,968, 484,469.28 and 101,369.28

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Solution

The fourth proportional to 322,968, 484,469.28 and 101,369.28 is: 152,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,968 : 484,469.28 = 101,369.28 : x
  2. Step 2: Convert to fraction form
    322,968/484,469.28 = 101,369.28/x
  3. Step 3: Cross multiply
    322,968x = 484,469.28 × 101,369.28
  4. Step 4: Simplify right side
    322,968x = 49,110,302,095.72
  5. Step 5: Solve for x
    x = 49,110,302,095.72/322,968
  6. Step 6: Final answer
    x = 152,059.34

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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.