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Finding the Fourth Proportional to 350,892.16, 484,220.25 and 197,928.11

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Solution

The fourth proportional to 350,892.16, 484,220.25 and 197,928.11 is: 273,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,892.16 : 484,220.25 = 197,928.11 : x
  2. Step 2: Convert to fraction form
    350,892.16/484,220.25 = 197,928.11/x
  3. Step 3: Cross multiply
    350,892.16x = 484,220.25 × 197,928.11
  4. Step 4: Simplify right side
    350,892.16x = 95,840,800,116.78
  5. Step 5: Solve for x
    x = 95,840,800,116.78/350,892.16
  6. Step 6: Final answer
    x = 273,134.63

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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.