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Finding the Fourth Proportional to 545,847.99, 818,659.23 and 146,393.82

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Solution

The fourth proportional to 545,847.99, 818,659.23 and 146,393.82 is: 219,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,847.99 : 818,659.23 = 146,393.82 : x
  2. Step 2: Convert to fraction form
    545,847.99/818,659.23 = 146,393.82/x
  3. Step 3: Cross multiply
    545,847.99x = 818,659.23 × 146,393.82
  4. Step 4: Simplify right side
    545,847.99x = 119,846,651,957.96
  5. Step 5: Solve for x
    x = 119,846,651,957.96/545,847.99
  6. Step 6: Final answer
    x = 219,560.49

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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.