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Finding the Fourth Proportional to 271,660.64, 407,490.58 and 103,180.64

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Solution

The fourth proportional to 271,660.64, 407,490.58 and 103,180.64 is: 154,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,660.64 : 407,490.58 = 103,180.64 : x
  2. Step 2: Convert to fraction form
    271,660.64/407,490.58 = 103,180.64/x
  3. Step 3: Cross multiply
    271,660.64x = 407,490.58 × 103,180.64
  4. Step 4: Simplify right side
    271,660.64x = 42,045,138,838.37
  5. Step 5: Solve for x
    x = 42,045,138,838.37/271,660.64
  6. Step 6: Final answer
    x = 154,770.82

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1.5x scale

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.