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Finding the Fourth Proportional to 354,178.50, 488,797.05 and 195,233.22

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Solution

The fourth proportional to 354,178.50, 488,797.05 and 195,233.22 is: 269,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,178.50 : 488,797.05 = 195,233.22 : x
  2. Step 2: Convert to fraction form
    354,178.50/488,797.05 = 195,233.22/x
  3. Step 3: Cross multiply
    354,178.50x = 488,797.05 × 195,233.22
  4. Step 4: Simplify right side
    354,178.50x = 95,429,421,998.00
  5. Step 5: Solve for x
    x = 95,429,421,998.00/354,178.50
  6. Step 6: Final answer
    x = 269,438.78

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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.