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Finding the Fourth Proportional to 484,591.68, 726,890.88 and 169,047.36

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Solution

The fourth proportional to 484,591.68, 726,890.88 and 169,047.36 is: 253,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,591.68 : 726,890.88 = 169,047.36 : x
  2. Step 2: Convert to fraction form
    484,591.68/726,890.88 = 169,047.36/x
  3. Step 3: Cross multiply
    484,591.68x = 726,890.88 × 169,047.36
  4. Step 4: Simplify right side
    484,591.68x = 122,878,984,272.08
  5. Step 5: Solve for x
    x = 122,878,984,272.08/484,591.68
  6. Step 6: Final answer
    x = 253,572.21

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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.