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Finding the Fourth Proportional to 284,955.36, 426,871.34 and 231,707.44

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Solution

The fourth proportional to 284,955.36, 426,871.34 and 231,707.44 is: 347,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,955.36 : 426,871.34 = 231,707.44 : x
  2. Step 2: Convert to fraction form
    284,955.36/426,871.34 = 231,707.44/x
  3. Step 3: Cross multiply
    284,955.36x = 426,871.34 × 231,707.44
  4. Step 4: Simplify right side
    284,955.36x = 98,909,265,644.72
  5. Step 5: Solve for x
    x = 98,909,265,644.72/284,955.36
  6. Step 6: Final answer
    x = 347,104.43

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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.