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Finding the Fourth Proportional to 321,093.35, 481,737.20 and 121,474.93

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Solution

The fourth proportional to 321,093.35, 481,737.20 and 121,474.93 is: 182,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,093.35 : 481,737.20 = 121,474.93 : x
  2. Step 2: Convert to fraction form
    321,093.35/481,737.20 = 121,474.93/x
  3. Step 3: Cross multiply
    321,093.35x = 481,737.20 × 121,474.93
  4. Step 4: Simplify right side
    321,093.35x = 58,518,990,543.40
  5. Step 5: Solve for x
    x = 58,518,990,543.40/321,093.35
  6. Step 6: Final answer
    x = 182,249.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.