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Finding the Fourth Proportional to 281,523.62, 388,355.37 and 174,059.30

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Solution

The fourth proportional to 281,523.62, 388,355.37 and 174,059.30 is: 240,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,523.62 : 388,355.37 = 174,059.30 : x
  2. Step 2: Convert to fraction form
    281,523.62/388,355.37 = 174,059.30/x
  3. Step 3: Cross multiply
    281,523.62x = 388,355.37 × 174,059.30
  4. Step 4: Simplify right side
    281,523.62x = 67,596,863,853.44
  5. Step 5: Solve for x
    x = 67,596,863,853.44/281,523.62
  6. Step 6: Final answer
    x = 240,110.81

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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.