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Finding the Fourth Proportional to 347,361.46, 479,448.93 and 196,545.94

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Solution

The fourth proportional to 347,361.46, 479,448.93 and 196,545.94 is: 271,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,361.46 : 479,448.93 = 196,545.94 : x
  2. Step 2: Convert to fraction form
    347,361.46/479,448.93 = 196,545.94/x
  3. Step 3: Cross multiply
    347,361.46x = 479,448.93 × 196,545.94
  4. Step 4: Simplify right side
    347,361.46x = 94,233,740,628.84
  5. Step 5: Solve for x
    x = 94,233,740,628.84/347,361.46
  6. Step 6: Final answer
    x = 271,284.39

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1.5x scale

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.