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Finding the Fourth Proportional to 545,847.50, 818,658.48 and 146,393.31

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Solution

The fourth proportional to 545,847.50, 818,658.48 and 146,393.31 is: 219,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,847.50 : 818,658.48 = 146,393.31 : x
  2. Step 2: Convert to fraction form
    545,847.50/818,658.48 = 146,393.31/x
  3. Step 3: Cross multiply
    545,847.50x = 818,658.48 × 146,393.31
  4. Step 4: Simplify right side
    545,847.50x = 119,846,124,646.77
  5. Step 5: Solve for x
    x = 119,846,124,646.77/545,847.50
  6. Step 6: Final answer
    x = 219,559.72

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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.