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Finding the Fourth Proportional to 608,353.50, 912,464.54 and 203,499.81

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Solution

The fourth proportional to 608,353.50, 912,464.54 and 203,499.81 is: 305,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,353.50 : 912,464.54 = 203,499.81 : x
  2. Step 2: Convert to fraction form
    608,353.50/912,464.54 = 203,499.81/x
  3. Step 3: Cross multiply
    608,353.50x = 912,464.54 × 203,499.81
  4. Step 4: Simplify right side
    608,353.50x = 185,686,359,504.24
  5. Step 5: Solve for x
    x = 185,686,359,504.24/608,353.50
  6. Step 6: Final answer
    x = 305,227.73

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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.