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Finding the Fourth Proportional to 273,499.47, 377,419.32 and 171,579.78

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Solution

The fourth proportional to 273,499.47, 377,419.32 and 171,579.78 is: 236,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,499.47 : 377,419.32 = 171,579.78 : x
  2. Step 2: Convert to fraction form
    273,499.47/377,419.32 = 171,579.78/x
  3. Step 3: Cross multiply
    273,499.47x = 377,419.32 × 171,579.78
  4. Step 4: Simplify right side
    273,499.47x = 64,757,523,893.35
  5. Step 5: Solve for x
    x = 64,757,523,893.35/273,499.47
  6. Step 6: Final answer
    x = 236,773.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.