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Finding the Fourth Proportional to 544,090.20, 816,212.10 and 170,074.20

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Solution

The fourth proportional to 544,090.20, 816,212.10 and 170,074.20 is: 255,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,090.20 : 816,212.10 = 170,074.20 : x
  2. Step 2: Convert to fraction form
    544,090.20/816,212.10 = 170,074.20/x
  3. Step 3: Cross multiply
    544,090.20x = 816,212.10 × 170,074.20
  4. Step 4: Simplify right side
    544,090.20x = 138,816,619,937.82
  5. Step 5: Solve for x
    x = 138,816,619,937.82/544,090.20
  6. Step 6: Final answer
    x = 255,135.31

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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.