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Finding the Fourth Proportional to 322,893.61, 484,358.61 and 98,261.35

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Solution

The fourth proportional to 322,893.61, 484,358.61 and 98,261.35 is: 147,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,893.61 : 484,358.61 = 98,261.35 : x
  2. Step 2: Convert to fraction form
    322,893.61/484,358.61 = 98,261.35/x
  3. Step 3: Cross multiply
    322,893.61x = 484,358.61 × 98,261.35
  4. Step 4: Simplify right side
    322,893.61x = 47,593,730,902.72
  5. Step 5: Solve for x
    x = 47,593,730,902.72/322,893.61
  6. Step 6: Final answer
    x = 147,397.56

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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.