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Finding the Fourth Proportional to 348,892.60, 481,444.34 and 197,989.60

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Solution

The fourth proportional to 348,892.60, 481,444.34 and 197,989.60 is: 273,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,892.60 : 481,444.34 = 197,989.60 : x
  2. Step 2: Convert to fraction form
    348,892.60/481,444.34 = 197,989.60/x
  3. Step 3: Cross multiply
    348,892.60x = 481,444.34 × 197,989.60
  4. Step 4: Simplify right side
    348,892.60x = 95,320,972,298.86
  5. Step 5: Solve for x
    x = 95,320,972,298.86/348,892.60
  6. Step 6: Final answer
    x = 273,210.07

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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.