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Finding the Fourth Proportional to 367,580.40, 551,591.52 and 157,218.54

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Solution

The fourth proportional to 367,580.40, 551,591.52 and 157,218.54 is: 235,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,580.40 : 551,591.52 = 157,218.54 : x
  2. Step 2: Convert to fraction form
    367,580.40/551,591.52 = 157,218.54/x
  3. Step 3: Cross multiply
    367,580.40x = 551,591.52 × 157,218.54
  4. Step 4: Simplify right side
    367,580.40x = 86,720,413,450.78
  5. Step 5: Solve for x
    x = 86,720,413,450.78/367,580.40
  6. Step 6: Final answer
    x = 235,922.30

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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.