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Finding the Fourth Proportional to 551,507.70, 827,261.55 and 362,550.90

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Solution

The fourth proportional to 551,507.70, 827,261.55 and 362,550.90 is: 543,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,507.70 : 827,261.55 = 362,550.90 : x
  2. Step 2: Convert to fraction form
    551,507.70/827,261.55 = 362,550.90/x
  3. Step 3: Cross multiply
    551,507.70x = 827,261.55 × 362,550.90
  4. Step 4: Simplify right side
    551,507.70x = 299,924,419,487.90
  5. Step 5: Solve for x
    x = 299,924,419,487.90/551,507.70
  6. Step 6: Final answer
    x = 543,826.35

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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.