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Finding the Fourth Proportional to 544,090.60, 816,135.90 and 170,228.20

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Solution

The fourth proportional to 544,090.60, 816,135.90 and 170,228.20 is: 255,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,090.60 : 816,135.90 = 170,228.20 : x
  2. Step 2: Convert to fraction form
    544,090.60/816,135.90 = 170,228.20/x
  3. Step 3: Cross multiply
    544,090.60x = 816,135.90 × 170,228.20
  4. Step 4: Simplify right side
    544,090.60x = 138,929,345,212.38
  5. Step 5: Solve for x
    x = 138,929,345,212.38/544,090.60
  6. Step 6: Final answer
    x = 255,342.30

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Double scale
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Similar ratio
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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.