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Finding the Fourth Proportional to 352,295.16, 486,571.14 and 231,974.34

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Solution

The fourth proportional to 352,295.16, 486,571.14 and 231,974.34 is: 320,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,295.16 : 486,571.14 = 231,974.34 : x
  2. Step 2: Convert to fraction form
    352,295.16/486,571.14 = 231,974.34/x
  3. Step 3: Cross multiply
    352,295.16x = 486,571.14 × 231,974.34
  4. Step 4: Simplify right side
    352,295.16x = 112,872,019,064.55
  5. Step 5: Solve for x
    x = 112,872,019,064.55/352,295.16
  6. Step 6: Final answer
    x = 320,390.49

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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.