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Finding the Fourth Proportional to 545,969.97, 818,456.00 and 462,269.43

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Solution

The fourth proportional to 545,969.97, 818,456.00 and 462,269.43 is: 692,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,969.97 : 818,456.00 = 462,269.43 : x
  2. Step 2: Convert to fraction form
    545,969.97/818,456.00 = 462,269.43/x
  3. Step 3: Cross multiply
    545,969.97x = 818,456.00 × 462,269.43
  4. Step 4: Simplify right side
    545,969.97x = 378,347,186,288.73
  5. Step 5: Solve for x
    x = 378,347,186,288.73/545,969.97
  6. Step 6: Final answer
    x = 692,981.68

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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.