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Finding the Fourth Proportional to 365,895.80, 548,843.70 and 216,207.80

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Solution

The fourth proportional to 365,895.80, 548,843.70 and 216,207.80 is: 324,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,895.80 : 548,843.70 = 216,207.80 : x
  2. Step 2: Convert to fraction form
    365,895.80/548,843.70 = 216,207.80/x
  3. Step 3: Cross multiply
    365,895.80x = 548,843.70 × 216,207.80
  4. Step 4: Simplify right side
    365,895.80x = 118,664,288,920.86
  5. Step 5: Solve for x
    x = 118,664,288,920.86/365,895.80
  6. Step 6: Final answer
    x = 324,311.70

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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.