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Finding the Fourth Proportional to 347,238.70, 520,080.44 and 207,270.70

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Solution

The fourth proportional to 347,238.70, 520,080.44 and 207,270.70 is: 310,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,238.70 : 520,080.44 = 207,270.70 : x
  2. Step 2: Convert to fraction form
    347,238.70/520,080.44 = 207,270.70/x
  3. Step 3: Cross multiply
    347,238.70x = 520,080.44 × 207,270.70
  4. Step 4: Simplify right side
    347,238.70x = 107,797,436,855.11
  5. Step 5: Solve for x
    x = 107,797,436,855.11/347,238.70
  6. Step 6: Final answer
    x = 310,441.89

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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.