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Finding the Fourth Proportional to 554,158.92, 831,238.33 and 254,891.20

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Solution

The fourth proportional to 554,158.92, 831,238.33 and 254,891.20 is: 382,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,158.92 : 831,238.33 = 254,891.20 : x
  2. Step 2: Convert to fraction form
    554,158.92/831,238.33 = 254,891.20/x
  3. Step 3: Cross multiply
    554,158.92x = 831,238.33 × 254,891.20
  4. Step 4: Simplify right side
    554,158.92x = 211,875,335,419.70
  5. Step 5: Solve for x
    x = 211,875,335,419.70/554,158.92
  6. Step 6: Final answer
    x = 382,336.78

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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.