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Finding the Fourth Proportional to 366,594,709.80, 550,529,793.90 and 194,407,825.80

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Solution

The fourth proportional to 366,594,709.80, 550,529,793.90 and 194,407,825.80 is: 291,949,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,594,709.80 : 550,529,793.90 = 194,407,825.80 : x
  2. Step 2: Convert to fraction form
    366,594,709.80/550,529,793.90 = 194,407,825.80/x
  3. Step 3: Cross multiply
    366,594,709.80x = 550,529,793.90 × 194,407,825.80
  4. Step 4: Simplify right side
    366,594,709.80x = 107,027,300,270,221,104
  5. Step 5: Solve for x
    x = 107,027,300,270,221,104/366,594,709.80
  6. Step 6: Final answer
    x = 291,949,931.11

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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.