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Finding the Fourth Proportional to 545,847.87, 818,659.04 and 146,393.69

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Solution

The fourth proportional to 545,847.87, 818,659.04 and 146,393.69 is: 219,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,847.87 : 818,659.04 = 146,393.69 : x
  2. Step 2: Convert to fraction form
    545,847.87/818,659.04 = 146,393.69/x
  3. Step 3: Cross multiply
    545,847.87x = 818,659.04 × 146,393.69
  4. Step 4: Simplify right side
    545,847.87x = 119,846,517,717.46
  5. Step 5: Solve for x
    x = 119,846,517,717.46/545,847.87
  6. Step 6: Final answer
    x = 219,560.29

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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.