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Finding the Fourth Proportional to 251,447.60, 377,608.80 and 133,349.60

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Solution

The fourth proportional to 251,447.60, 377,608.80 and 133,349.60 is: 200,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,447.60 : 377,608.80 = 133,349.60 : x
  2. Step 2: Convert to fraction form
    251,447.60/377,608.80 = 133,349.60/x
  3. Step 3: Cross multiply
    251,447.60x = 377,608.80 × 133,349.60
  4. Step 4: Simplify right side
    251,447.60x = 50,353,982,436.48
  5. Step 5: Solve for x
    x = 50,353,982,436.48/251,447.60
  6. Step 6: Final answer
    x = 200,256.37

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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.