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Finding the Fourth Proportional to 619,015.79, 928,606.30 and 244,951.31

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Solution

The fourth proportional to 619,015.79, 928,606.30 and 244,951.31 is: 367,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,015.79 : 928,606.30 = 244,951.31 : x
  2. Step 2: Convert to fraction form
    619,015.79/928,606.30 = 244,951.31/x
  3. Step 3: Cross multiply
    619,015.79x = 928,606.30 × 244,951.31
  4. Step 4: Simplify right side
    619,015.79x = 227,463,325,016.22
  5. Step 5: Solve for x
    x = 227,463,325,016.22/619,015.79
  6. Step 6: Final answer
    x = 367,459.65

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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.