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Finding the Fourth Proportional to 307,460.98, 424,297.72 and 169,644.67

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Solution

The fourth proportional to 307,460.98, 424,297.72 and 169,644.67 is: 234,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,460.98 : 424,297.72 = 169,644.67 : x
  2. Step 2: Convert to fraction form
    307,460.98/424,297.72 = 169,644.67/x
  3. Step 3: Cross multiply
    307,460.98x = 424,297.72 × 169,644.67
  4. Step 4: Simplify right side
    307,460.98x = 71,979,846,691.15
  5. Step 5: Solve for x
    x = 71,979,846,691.15/307,460.98
  6. Step 6: Final answer
    x = 234,110.51

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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.