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Finding the Fourth Proportional to 545,752.82, 818,610.73 and 166,658.24

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Solution

The fourth proportional to 545,752.82, 818,610.73 and 166,658.24 is: 249,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,752.82 : 818,610.73 = 166,658.24 : x
  2. Step 2: Convert to fraction form
    545,752.82/818,610.73 = 166,658.24/x
  3. Step 3: Cross multiply
    545,752.82x = 818,610.73 × 166,658.24
  4. Step 4: Simplify right side
    545,752.82x = 136,428,225,136.80
  5. Step 5: Solve for x
    x = 136,428,225,136.80/545,752.82
  6. Step 6: Final answer
    x = 249,981.71

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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.