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Finding the Fourth Proportional to 591,062.60, 886,593.90 and 342,230.60

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Solution

The fourth proportional to 591,062.60, 886,593.90 and 342,230.60 is: 513,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,062.60 : 886,593.90 = 342,230.60 : x
  2. Step 2: Convert to fraction form
    591,062.60/886,593.90 = 342,230.60/x
  3. Step 3: Cross multiply
    591,062.60x = 886,593.90 × 342,230.60
  4. Step 4: Simplify right side
    591,062.60x = 303,419,562,353.34
  5. Step 5: Solve for x
    x = 303,419,562,353.34/591,062.60
  6. Step 6: Final answer
    x = 513,345.90

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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.