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Finding the Fourth Proportional to 469,293.70, 703,878.10 and 132,361.41

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Solution

The fourth proportional to 469,293.70, 703,878.10 and 132,361.41 is: 198,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,293.70 : 703,878.10 = 132,361.41 : x
  2. Step 2: Convert to fraction form
    469,293.70/703,878.10 = 132,361.41/x
  3. Step 3: Cross multiply
    469,293.70x = 703,878.10 × 132,361.41
  4. Step 4: Simplify right side
    469,293.70x = 93,166,297,784.12
  5. Step 5: Solve for x
    x = 93,166,297,784.12/469,293.70
  6. Step 6: Final answer
    x = 198,524.50

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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.