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Finding the Fourth Proportional to 613,276.14, 919,960.92 and 186,848.37

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Solution

The fourth proportional to 613,276.14, 919,960.92 and 186,848.37 is: 280,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,276.14 : 919,960.92 = 186,848.37 : x
  2. Step 2: Convert to fraction form
    613,276.14/919,960.92 = 186,848.37/x
  3. Step 3: Cross multiply
    613,276.14x = 919,960.92 × 186,848.37
  4. Step 4: Simplify right side
    613,276.14x = 171,893,199,066.38
  5. Step 5: Solve for x
    x = 171,893,199,066.38/613,276.14
  6. Step 6: Final answer
    x = 280,286.79

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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.