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Finding the Fourth Proportional to 277,875.60, 383,256.73 and 239,179.28

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Solution

The fourth proportional to 277,875.60, 383,256.73 and 239,179.28 is: 329,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,875.60 : 383,256.73 = 239,179.28 : x
  2. Step 2: Convert to fraction form
    277,875.60/383,256.73 = 239,179.28/x
  3. Step 3: Cross multiply
    277,875.60x = 383,256.73 × 239,179.28
  4. Step 4: Simplify right side
    277,875.60x = 91,667,067,119.24
  5. Step 5: Solve for x
    x = 91,667,067,119.24/277,875.60
  6. Step 6: Final answer
    x = 329,885.27

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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.