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Finding the Fourth Proportional to 322,887.43, 484,404.86 and 98,279.70

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Solution

The fourth proportional to 322,887.43, 484,404.86 and 98,279.70 is: 147,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,887.43 : 484,404.86 = 98,279.70 : x
  2. Step 2: Convert to fraction form
    322,887.43/484,404.86 = 98,279.70/x
  3. Step 3: Cross multiply
    322,887.43x = 484,404.86 × 98,279.70
  4. Step 4: Simplify right side
    322,887.43x = 47,607,164,319.34
  5. Step 5: Solve for x
    x = 47,607,164,319.34/322,887.43
  6. Step 6: Final answer
    x = 147,441.99

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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.