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Finding the Fourth Proportional to 554,008.52, 830,356.68 and 254,236.43

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Solution

The fourth proportional to 554,008.52, 830,356.68 and 254,236.43 is: 381,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,008.52 : 830,356.68 = 254,236.43 : x
  2. Step 2: Convert to fraction form
    554,008.52/830,356.68 = 254,236.43/x
  3. Step 3: Cross multiply
    554,008.52x = 830,356.68 × 254,236.43
  4. Step 4: Simplify right side
    554,008.52x = 211,106,917,949.85
  5. Step 5: Solve for x
    x = 211,106,917,949.85/554,008.52
  6. Step 6: Final answer
    x = 381,053.56

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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.