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Finding the Fourth Proportional to 273,924.98, 378,015.64 and 153,066.39

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Solution

The fourth proportional to 273,924.98, 378,015.64 and 153,066.39 is: 211,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,924.98 : 378,015.64 = 153,066.39 : x
  2. Step 2: Convert to fraction form
    273,924.98/378,015.64 = 153,066.39/x
  3. Step 3: Cross multiply
    273,924.98x = 378,015.64 × 153,066.39
  4. Step 4: Simplify right side
    273,924.98x = 57,861,487,578.12
  5. Step 5: Solve for x
    x = 57,861,487,578.12/273,924.98
  6. Step 6: Final answer
    x = 211,231.15

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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.