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Finding the Fourth Proportional to 281,770.70, 388,883.44 and 174,375.32

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Solution

The fourth proportional to 281,770.70, 388,883.44 and 174,375.32 is: 240,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,770.70 : 388,883.44 = 174,375.32 : x
  2. Step 2: Convert to fraction form
    281,770.70/388,883.44 = 174,375.32/x
  3. Step 3: Cross multiply
    281,770.70x = 388,883.44 × 174,375.32
  4. Step 4: Simplify right side
    281,770.70x = 67,811,674,292.70
  5. Step 5: Solve for x
    x = 67,811,674,292.70/281,770.70
  6. Step 6: Final answer
    x = 240,662.62

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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.