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Finding the Fourth Proportional to 362,991.66, 544,545.57 and 126,401.58

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Solution

The fourth proportional to 362,991.66, 544,545.57 and 126,401.58 is: 189,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,991.66 : 544,545.57 = 126,401.58 : x
  2. Step 2: Convert to fraction form
    362,991.66/544,545.57 = 126,401.58/x
  3. Step 3: Cross multiply
    362,991.66x = 544,545.57 × 126,401.58
  4. Step 4: Simplify right side
    362,991.66x = 68,831,420,430.00
  5. Step 5: Solve for x
    x = 68,831,420,430.00/362,991.66
  6. Step 6: Final answer
    x = 189,622.59

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1.5x scale

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.