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Finding the Fourth Proportional to 348,897.60, 481,451.28 and 197,994.56

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Solution

The fourth proportional to 348,897.60, 481,451.28 and 197,994.56 is: 273,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,897.60 : 481,451.28 = 197,994.56 : x
  2. Step 2: Convert to fraction form
    348,897.60/481,451.28 = 197,994.56/x
  3. Step 3: Cross multiply
    348,897.60x = 481,451.28 × 197,994.56
  4. Step 4: Simplify right side
    348,897.60x = 95,324,734,345.04
  5. Step 5: Solve for x
    x = 95,324,734,345.04/348,897.60
  6. Step 6: Final answer
    x = 273,216.94

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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.