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Finding the Fourth Proportional to 322,912.98, 484,364.61 and 98,264.34

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Solution

The fourth proportional to 322,912.98, 484,364.61 and 98,264.34 is: 147,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,912.98 : 484,364.61 = 98,264.34 : x
  2. Step 2: Convert to fraction form
    322,912.98/484,364.61 = 98,264.34/x
  3. Step 3: Cross multiply
    322,912.98x = 484,364.61 × 98,264.34
  4. Step 4: Simplify right side
    322,912.98x = 47,595,768,721.01
  5. Step 5: Solve for x
    x = 47,595,768,721.01/322,912.98
  6. Step 6: Final answer
    x = 147,395.03

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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.