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Finding the Fourth Proportional to 322,892.61, 484,357.11 and 98,260.35

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Solution

The fourth proportional to 322,892.61, 484,357.11 and 98,260.35 is: 147,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,892.61 : 484,357.11 = 98,260.35 : x
  2. Step 2: Convert to fraction form
    322,892.61/484,357.11 = 98,260.35/x
  3. Step 3: Cross multiply
    322,892.61x = 484,357.11 × 98,260.35
  4. Step 4: Simplify right side
    322,892.61x = 47,593,099,153.59
  5. Step 5: Solve for x
    x = 47,593,099,153.59/322,892.61
  6. Step 6: Final answer
    x = 147,396.06

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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.