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Finding the Fourth Proportional to 342,297.32, 513,227.28 and 164,450.48

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Solution

The fourth proportional to 342,297.32, 513,227.28 and 164,450.48 is: 246,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,297.32 : 513,227.28 = 164,450.48 : x
  2. Step 2: Convert to fraction form
    342,297.32/513,227.28 = 164,450.48/x
  3. Step 3: Cross multiply
    342,297.32x = 513,227.28 × 164,450.48
  4. Step 4: Simplify right side
    342,297.32x = 84,400,472,545.09
  5. Step 5: Solve for x
    x = 84,400,472,545.09/342,297.32
  6. Step 6: Final answer
    x = 246,570.65

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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.