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Finding the Fourth Proportional to 273,924.20, 378,008.14 and 153,066.47

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Solution

The fourth proportional to 273,924.20, 378,008.14 and 153,066.47 is: 211,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,924.20 : 378,008.14 = 153,066.47 : x
  2. Step 2: Convert to fraction form
    273,924.20/378,008.14 = 153,066.47/x
  3. Step 3: Cross multiply
    273,924.20x = 378,008.14 × 153,066.47
  4. Step 4: Simplify right side
    273,924.20x = 57,860,372,183.42
  5. Step 5: Solve for x
    x = 57,860,372,183.42/273,924.20
  6. Step 6: Final answer
    x = 211,227.68

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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.