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Finding the Fourth Proportional to 545,854.26, 818,906.02 and 166,828.92

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Solution

The fourth proportional to 545,854.26, 818,906.02 and 166,828.92 is: 250,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,854.26 : 818,906.02 = 166,828.92 : x
  2. Step 2: Convert to fraction form
    545,854.26/818,906.02 = 166,828.92/x
  3. Step 3: Cross multiply
    545,854.26x = 818,906.02 × 166,828.92
  4. Step 4: Simplify right side
    545,854.26x = 136,617,206,898.10
  5. Step 5: Solve for x
    x = 136,617,206,898.10/545,854.26
  6. Step 6: Final answer
    x = 250,281.47

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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.