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Finding the Fourth Proportional to 603,648.80, 905,417.84 and 204,243.83

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Solution

The fourth proportional to 603,648.80, 905,417.84 and 204,243.83 is: 306,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,648.80 : 905,417.84 = 204,243.83 : x
  2. Step 2: Convert to fraction form
    603,648.80/905,417.84 = 204,243.83/x
  3. Step 3: Cross multiply
    603,648.80x = 905,417.84 × 204,243.83
  4. Step 4: Simplify right side
    603,648.80x = 184,926,002,864.84
  5. Step 5: Solve for x
    x = 184,926,002,864.84/603,648.80
  6. Step 6: Final answer
    x = 306,347.01

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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.