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Finding the Fourth Proportional to 555,361.11, 832,869.27 and 200,328.93

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Solution

The fourth proportional to 555,361.11, 832,869.27 and 200,328.93 is: 300,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,361.11 : 832,869.27 = 200,328.93 : x
  2. Step 2: Convert to fraction form
    555,361.11/832,869.27 = 200,328.93/x
  3. Step 3: Cross multiply
    555,361.11x = 832,869.27 × 200,328.93
  4. Step 4: Simplify right side
    555,361.11x = 166,847,809,688.98
  5. Step 5: Solve for x
    x = 166,847,809,688.98/555,361.11
  6. Step 6: Final answer
    x = 300,431.21

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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.