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Finding the Fourth Proportional to 439,782.17, 659,870.08 and 252,793.67

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Solution

The fourth proportional to 439,782.17, 659,870.08 and 252,793.67 is: 379,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,782.17 : 659,870.08 = 252,793.67 : x
  2. Step 2: Convert to fraction form
    439,782.17/659,870.08 = 252,793.67/x
  3. Step 3: Cross multiply
    439,782.17x = 659,870.08 × 252,793.67
  4. Step 4: Simplify right side
    439,782.17x = 166,810,975,315.06
  5. Step 5: Solve for x
    x = 166,810,975,315.06/439,782.17
  6. Step 6: Final answer
    x = 379,303.64

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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.