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Finding the Fourth Proportional to 352,667.06, 486,859.76 and 223,737.22

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Solution

The fourth proportional to 352,667.06, 486,859.76 and 223,737.22 is: 308,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,667.06 : 486,859.76 = 223,737.22 : x
  2. Step 2: Convert to fraction form
    352,667.06/486,859.76 = 223,737.22/x
  3. Step 3: Cross multiply
    352,667.06x = 486,859.76 × 223,737.22
  4. Step 4: Simplify right side
    352,667.06x = 108,928,649,232.27
  5. Step 5: Solve for x
    x = 108,928,649,232.27/352,667.06
  6. Step 6: Final answer
    x = 308,871.06

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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.