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Finding the Fourth Proportional to 373,669,657.80, 560,504,486.70 and 359,320,750.80

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Solution

The fourth proportional to 373,669,657.80, 560,504,486.70 and 359,320,750.80 is: 538,981,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,669,657.80 : 560,504,486.70 = 359,320,750.80 : x
  2. Step 2: Convert to fraction form
    373,669,657.80/560,504,486.70 = 359,320,750.80/x
  3. Step 3: Cross multiply
    373,669,657.80x = 560,504,486.70 × 359,320,750.80
  4. Step 4: Simplify right side
    373,669,657.80x = 201,400,892,987,812,640
  5. Step 5: Solve for x
    x = 201,400,892,987,812,640/373,669,657.80
  6. Step 6: Final answer
    x = 538,981,126.20

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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.