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Finding the Fourth Proportional to 486,526.89, 729,958.81 and 202,370.79

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Solution

The fourth proportional to 486,526.89, 729,958.81 and 202,370.79 is: 303,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,526.89 : 729,958.81 = 202,370.79 : x
  2. Step 2: Convert to fraction form
    486,526.89/729,958.81 = 202,370.79/x
  3. Step 3: Cross multiply
    486,526.89x = 729,958.81 × 202,370.79
  4. Step 4: Simplify right side
    486,526.89x = 147,722,341,047.16
  5. Step 5: Solve for x
    x = 147,722,341,047.16/486,526.89
  6. Step 6: Final answer
    x = 303,626.26

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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.