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Finding the Fourth Proportional to 329,856.44, 455,202.72 and 178,953.44

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Solution

The fourth proportional to 329,856.44, 455,202.72 and 178,953.44 is: 246,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,856.44 : 455,202.72 = 178,953.44 : x
  2. Step 2: Convert to fraction form
    329,856.44/455,202.72 = 178,953.44/x
  3. Step 3: Cross multiply
    329,856.44x = 455,202.72 × 178,953.44
  4. Step 4: Simplify right side
    329,856.44x = 81,460,092,641.36
  5. Step 5: Solve for x
    x = 81,460,092,641.36/329,856.44
  6. Step 6: Final answer
    x = 246,956.20

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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.