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Finding the Fourth Proportional to 277,505.28, 416,251.32 and 159,089.76

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Solution

The fourth proportional to 277,505.28, 416,251.32 and 159,089.76 is: 238,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,505.28 : 416,251.32 = 159,089.76 : x
  2. Step 2: Convert to fraction form
    277,505.28/416,251.32 = 159,089.76/x
  3. Step 3: Cross multiply
    277,505.28x = 416,251.32 × 159,089.76
  4. Step 4: Simplify right side
    277,505.28x = 66,221,322,598.48
  5. Step 5: Solve for x
    x = 66,221,322,598.48/277,505.28
  6. Step 6: Final answer
    x = 238,630.86

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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.