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Finding the Fourth Proportional to 321,094.12, 481,952.22 and 154,998.76

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Solution

The fourth proportional to 321,094.12, 481,952.22 and 154,998.76 is: 232,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,094.12 : 481,952.22 = 154,998.76 : x
  2. Step 2: Convert to fraction form
    321,094.12/481,952.22 = 154,998.76/x
  3. Step 3: Cross multiply
    321,094.12x = 481,952.22 × 154,998.76
  4. Step 4: Simplify right side
    321,094.12x = 74,701,996,479.25
  5. Step 5: Solve for x
    x = 74,701,996,479.25/321,094.12
  6. Step 6: Final answer
    x = 232,648.29

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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.