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Finding the Fourth Proportional to 486,525.51, 729,956.75 and 202,369.41

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Solution

The fourth proportional to 486,525.51, 729,956.75 and 202,369.41 is: 303,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,525.51 : 729,956.75 = 202,369.41 : x
  2. Step 2: Convert to fraction form
    486,525.51/729,956.75 = 202,369.41/x
  3. Step 3: Cross multiply
    486,525.51x = 729,956.75 × 202,369.41
  4. Step 4: Simplify right side
    486,525.51x = 147,720,915,811.17
  5. Step 5: Solve for x
    x = 147,720,915,811.17/486,525.51
  6. Step 6: Final answer
    x = 303,624.19

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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.