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Finding the Fourth Proportional to 554,231.54, 764,843.02 and 299,582.12

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Solution

The fourth proportional to 554,231.54, 764,843.02 and 299,582.12 is: 413,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,231.54 : 764,843.02 = 299,582.12 : x
  2. Step 2: Convert to fraction form
    554,231.54/764,843.02 = 299,582.12/x
  3. Step 3: Cross multiply
    554,231.54x = 764,843.02 × 299,582.12
  4. Step 4: Simplify right side
    554,231.54x = 229,133,288,825.63
  5. Step 5: Solve for x
    x = 229,133,288,825.63/554,231.54
  6. Step 6: Final answer
    x = 413,425.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.