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Finding the Fourth Proportional to 314,563.26, 434,102.28 and 171,323.22

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Solution

The fourth proportional to 314,563.26, 434,102.28 and 171,323.22 is: 236,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,563.26 : 434,102.28 = 171,323.22 : x
  2. Step 2: Convert to fraction form
    314,563.26/434,102.28 = 171,323.22/x
  3. Step 3: Cross multiply
    314,563.26x = 434,102.28 × 171,323.22
  4. Step 4: Simplify right side
    314,563.26x = 74,371,800,418.94
  5. Step 5: Solve for x
    x = 74,371,800,418.94/314,563.26
  6. Step 6: Final answer
    x = 236,428.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.