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Finding the Fourth Proportional to 619,632.56, 929,546.28 and 264,648.56

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Solution

The fourth proportional to 619,632.56, 929,546.28 and 264,648.56 is: 397,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,632.56 : 929,546.28 = 264,648.56 : x
  2. Step 2: Convert to fraction form
    619,632.56/929,546.28 = 264,648.56/x
  3. Step 3: Cross multiply
    619,632.56x = 929,546.28 × 264,648.56
  4. Step 4: Simplify right side
    619,632.56x = 246,003,084,455.36
  5. Step 5: Solve for x
    x = 246,003,084,455.36/619,632.56
  6. Step 6: Final answer
    x = 397,014.46

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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.