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Finding the Fourth Proportional to 307,747.40, 461,664.30 and 97,363.40

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Solution

The fourth proportional to 307,747.40, 461,664.30 and 97,363.40 is: 146,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,747.40 : 461,664.30 = 97,363.40 : x
  2. Step 2: Convert to fraction form
    307,747.40/461,664.30 = 97,363.40/x
  3. Step 3: Cross multiply
    307,747.40x = 461,664.30 × 97,363.40
  4. Step 4: Simplify right side
    307,747.40x = 44,949,205,906.62
  5. Step 5: Solve for x
    x = 44,949,205,906.62/307,747.40
  6. Step 6: Final answer
    x = 146,058.77

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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.