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Finding the Fourth Proportional to 605,153.80, 907,860.30 and 184,472.20

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Solution

The fourth proportional to 605,153.80, 907,860.30 and 184,472.20 is: 276,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,153.80 : 907,860.30 = 184,472.20 : x
  2. Step 2: Convert to fraction form
    605,153.80/907,860.30 = 184,472.20/x
  3. Step 3: Cross multiply
    605,153.80x = 907,860.30 × 184,472.20
  4. Step 4: Simplify right side
    605,153.80x = 167,474,986,833.66
  5. Step 5: Solve for x
    x = 167,474,986,833.66/605,153.80
  6. Step 6: Final answer
    x = 276,747.81

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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.