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Finding the Fourth Proportional to 453,772, 680,583.28 and 169,387.92

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Solution

The fourth proportional to 453,772, 680,583.28 and 169,387.92 is: 254,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,772 : 680,583.28 = 169,387.92 : x
  2. Step 2: Convert to fraction form
    453,772/680,583.28 = 169,387.92/x
  3. Step 3: Cross multiply
    453,772x = 680,583.28 × 169,387.92
  4. Step 4: Simplify right side
    453,772x = 115,282,586,185.98
  5. Step 5: Solve for x
    x = 115,282,586,185.98/453,772
  6. Step 6: Final answer
    x = 254,053.99

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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.