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Finding the Fourth Proportional to 551,040.60, 826,560.90 and 236,112.60

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Solution

The fourth proportional to 551,040.60, 826,560.90 and 236,112.60 is: 354,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,040.60 : 826,560.90 = 236,112.60 : x
  2. Step 2: Convert to fraction form
    551,040.60/826,560.90 = 236,112.60/x
  3. Step 3: Cross multiply
    551,040.60x = 826,560.90 × 236,112.60
  4. Step 4: Simplify right side
    551,040.60x = 195,161,443,157.34
  5. Step 5: Solve for x
    x = 195,161,443,157.34/551,040.60
  6. Step 6: Final answer
    x = 354,168.90

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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.