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Finding the Fourth Proportional to 601,992.56, 830,745.32 and 330,055.97

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Solution

The fourth proportional to 601,992.56, 830,745.32 and 330,055.97 is: 455,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,992.56 : 830,745.32 = 330,055.97 : x
  2. Step 2: Convert to fraction form
    601,992.56/830,745.32 = 330,055.97/x
  3. Step 3: Cross multiply
    601,992.56x = 830,745.32 × 330,055.97
  4. Step 4: Simplify right side
    601,992.56x = 274,192,452,415.56
  5. Step 5: Solve for x
    x = 274,192,452,415.56/601,992.56
  6. Step 6: Final answer
    x = 455,474.82

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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.