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Finding the Fourth Proportional to 548,057.40, 822,215.70 and 174,080.40

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Solution

The fourth proportional to 548,057.40, 822,215.70 and 174,080.40 is: 261,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,057.40 : 822,215.70 = 174,080.40 : x
  2. Step 2: Convert to fraction form
    548,057.40/822,215.70 = 174,080.40/x
  3. Step 3: Cross multiply
    548,057.40x = 822,215.70 × 174,080.40
  4. Step 4: Simplify right side
    548,057.40x = 143,131,637,942.28
  5. Step 5: Solve for x
    x = 143,131,637,942.28/548,057.40
  6. Step 6: Final answer
    x = 261,161.77

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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.