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Finding the Fourth Proportional to 654,321.66, 981,482.42 and 180,994.70

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Solution

The fourth proportional to 654,321.66, 981,482.42 and 180,994.70 is: 271,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,321.66 : 981,482.42 = 180,994.70 : x
  2. Step 2: Convert to fraction form
    654,321.66/981,482.42 = 180,994.70/x
  3. Step 3: Cross multiply
    654,321.66x = 981,482.42 × 180,994.70
  4. Step 4: Simplify right side
    654,321.66x = 177,643,116,163.17
  5. Step 5: Solve for x
    x = 177,643,116,163.17/654,321.66
  6. Step 6: Final answer
    x = 271,492.03

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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.