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Finding the Fourth Proportional to 365,879.20, 548,859.12 and 116,503.84

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Solution

The fourth proportional to 365,879.20, 548,859.12 and 116,503.84 is: 174,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,879.20 : 548,859.12 = 116,503.84 : x
  2. Step 2: Convert to fraction form
    365,879.20/548,859.12 = 116,503.84/x
  3. Step 3: Cross multiply
    365,879.20x = 548,859.12 × 116,503.84
  4. Step 4: Simplify right side
    365,879.20x = 63,944,195,099.02
  5. Step 5: Solve for x
    x = 63,944,195,099.02/365,879.20
  6. Step 6: Final answer
    x = 174,768.60

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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.