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Finding the Fourth Proportional to 618,444.42, 927,631.10 and 367,320.03

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Solution

The fourth proportional to 618,444.42, 927,631.10 and 367,320.03 is: 550,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,444.42 : 927,631.10 = 367,320.03 : x
  2. Step 2: Convert to fraction form
    618,444.42/927,631.10 = 367,320.03/x
  3. Step 3: Cross multiply
    618,444.42x = 927,631.10 × 367,320.03
  4. Step 4: Simplify right side
    618,444.42x = 340,737,481,644.33
  5. Step 5: Solve for x
    x = 340,737,481,644.33/618,444.42
  6. Step 6: Final answer
    x = 550,958.94

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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.