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Finding the Fourth Proportional to 330,284.76, 455,792.56 and 179,380.68

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Solution

The fourth proportional to 330,284.76, 455,792.56 and 179,380.68 is: 247,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,284.76 : 455,792.56 = 179,380.68 : x
  2. Step 2: Convert to fraction form
    330,284.76/455,792.56 = 179,380.68/x
  3. Step 3: Cross multiply
    330,284.76x = 455,792.56 × 179,380.68
  4. Step 4: Simplify right side
    330,284.76x = 81,760,379,351.74
  5. Step 5: Solve for x
    x = 81,760,379,351.74/330,284.76
  6. Step 6: Final answer
    x = 247,545.12

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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.