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Finding the Fourth Proportional to 608,352.76, 839,589.87 and 350,238.88

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Solution

The fourth proportional to 608,352.76, 839,589.87 and 350,238.88 is: 483,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,352.76 : 839,589.87 = 350,238.88 : x
  2. Step 2: Convert to fraction form
    608,352.76/839,589.87 = 350,238.88/x
  3. Step 3: Cross multiply
    608,352.76x = 839,589.87 × 350,238.88
  4. Step 4: Simplify right side
    608,352.76x = 294,057,015,728.15
  5. Step 5: Solve for x
    x = 294,057,015,728.15/608,352.76
  6. Step 6: Final answer
    x = 483,365.96

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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.