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Finding the Fourth Proportional to 544,086.10, 816,129.15 and 367,138.90

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Solution

The fourth proportional to 544,086.10, 816,129.15 and 367,138.90 is: 550,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,086.10 : 816,129.15 = 367,138.90 : x
  2. Step 2: Convert to fraction form
    544,086.10/816,129.15 = 367,138.90/x
  3. Step 3: Cross multiply
    544,086.10x = 816,129.15 × 367,138.90
  4. Step 4: Simplify right side
    544,086.10x = 299,632,758,388.94
  5. Step 5: Solve for x
    x = 299,632,758,388.94/544,086.10
  6. Step 6: Final answer
    x = 550,708.35

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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.