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Finding the Fourth Proportional to 281,594.64, 388,614.60 and 174,220.56

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Solution

The fourth proportional to 281,594.64, 388,614.60 and 174,220.56 is: 240,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,594.64 : 388,614.60 = 174,220.56 : x
  2. Step 2: Convert to fraction form
    281,594.64/388,614.60 = 174,220.56/x
  3. Step 3: Cross multiply
    281,594.64x = 388,614.60 × 174,220.56
  4. Step 4: Simplify right side
    281,594.64x = 67,704,653,236.18
  5. Step 5: Solve for x
    x = 67,704,653,236.18/281,594.64
  6. Step 6: Final answer
    x = 240,433.03

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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.