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Finding the Fourth Proportional to 545,475.71, 818,260.92 and 166,481.79

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Solution

The fourth proportional to 545,475.71, 818,260.92 and 166,481.79 is: 249,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,475.71 : 818,260.92 = 166,481.79 : x
  2. Step 2: Convert to fraction form
    545,475.71/818,260.92 = 166,481.79/x
  3. Step 3: Cross multiply
    545,475.71x = 818,260.92 × 166,481.79
  4. Step 4: Simplify right side
    545,475.71x = 136,225,542,648.65
  5. Step 5: Solve for x
    x = 136,225,542,648.65/545,475.71
  6. Step 6: Final answer
    x = 249,737.14

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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.