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Finding the Fourth Proportional to 347,361.48, 479,206.67 and 204,056.87

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Solution

The fourth proportional to 347,361.48, 479,206.67 and 204,056.87 is: 281,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,361.48 : 479,206.67 = 204,056.87 : x
  2. Step 2: Convert to fraction form
    347,361.48/479,206.67 = 204,056.87/x
  3. Step 3: Cross multiply
    347,361.48x = 479,206.67 × 204,056.87
  4. Step 4: Simplify right side
    347,361.48x = 97,785,409,747.01
  5. Step 5: Solve for x
    x = 97,785,409,747.01/347,361.48
  6. Step 6: Final answer
    x = 281,509.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.