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Finding the Fourth Proportional to 330,433.70, 455,992.89 and 179,529.62

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Solution

The fourth proportional to 330,433.70, 455,992.89 and 179,529.62 is: 247,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,433.70 : 455,992.89 = 179,529.62 : x
  2. Step 2: Convert to fraction form
    330,433.70/455,992.89 = 179,529.62/x
  3. Step 3: Cross multiply
    330,433.70x = 455,992.89 × 179,529.62
  4. Step 4: Simplify right side
    330,433.70x = 81,864,230,264.40
  5. Step 5: Solve for x
    x = 81,864,230,264.40/330,433.70
  6. Step 6: Final answer
    x = 247,747.82

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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.