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Finding the Fourth Proportional to 307,563.48, 424,436.29 and 171,597.52

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Solution

The fourth proportional to 307,563.48, 424,436.29 and 171,597.52 is: 236,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,563.48 : 424,436.29 = 171,597.52 : x
  2. Step 2: Convert to fraction form
    307,563.48/424,436.29 = 171,597.52/x
  3. Step 3: Cross multiply
    307,563.48x = 424,436.29 × 171,597.52
  4. Step 4: Simplify right side
    307,563.48x = 72,832,214,863.55
  5. Step 5: Solve for x
    x = 72,832,214,863.55/307,563.48
  6. Step 6: Final answer
    x = 236,803.85

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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.