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Finding the Fourth Proportional to 540,705.80, 811,114.20 and 204,029.80

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Solution

The fourth proportional to 540,705.80, 811,114.20 and 204,029.80 is: 306,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,705.80 : 811,114.20 = 204,029.80 : x
  2. Step 2: Convert to fraction form
    540,705.80/811,114.20 = 204,029.80/x
  3. Step 3: Cross multiply
    540,705.80x = 811,114.20 × 204,029.80
  4. Step 4: Simplify right side
    540,705.80x = 165,491,468,003.16
  5. Step 5: Solve for x
    x = 165,491,468,003.16/540,705.80
  6. Step 6: Final answer
    x = 306,065.64

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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.