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Finding the Fourth Proportional to 322,883.43, 484,398.86 and 98,275.70

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Solution

The fourth proportional to 322,883.43, 484,398.86 and 98,275.70 is: 147,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,883.43 : 484,398.86 = 98,275.70 : x
  2. Step 2: Convert to fraction form
    322,883.43/484,398.86 = 98,275.70/x
  3. Step 3: Cross multiply
    322,883.43x = 484,398.86 × 98,275.70
  4. Step 4: Simplify right side
    322,883.43x = 47,604,634,132.33
  5. Step 5: Solve for x
    x = 47,604,634,132.33/322,883.43
  6. Step 6: Final answer
    x = 147,435.98

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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.