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Finding the Fourth Proportional to 231,566.34, 347,349.50 and 65,354.34

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Solution

The fourth proportional to 231,566.34, 347,349.50 and 65,354.34 is: 98,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,566.34 : 347,349.50 = 65,354.34 : x
  2. Step 2: Convert to fraction form
    231,566.34/347,349.50 = 65,354.34/x
  3. Step 3: Cross multiply
    231,566.34x = 347,349.50 × 65,354.34
  4. Step 4: Simplify right side
    231,566.34x = 22,700,797,321.83
  5. Step 5: Solve for x
    x = 22,700,797,321.83/231,566.34
  6. Step 6: Final answer
    x = 98,031.51

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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.