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Finding the Fourth Proportional to 347,446.24, 521,245.88 and 197,757

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Solution

The fourth proportional to 347,446.24, 521,245.88 and 197,757 is: 296,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,446.24 : 521,245.88 = 197,757 : x
  2. Step 2: Convert to fraction form
    347,446.24/521,245.88 = 197,757/x
  3. Step 3: Cross multiply
    347,446.24x = 521,245.88 × 197,757
  4. Step 4: Simplify right side
    347,446.24x = 103,080,021,491.16
  5. Step 5: Solve for x
    x = 103,080,021,491.16/347,446.24
  6. Step 6: Final answer
    x = 296,679.05

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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.