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Finding the Fourth Proportional to 373,669,651.80, 560,504,477.70 and 359,320,744.80

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Solution

The fourth proportional to 373,669,651.80, 560,504,477.70 and 359,320,744.80 is: 538,981,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,669,651.80 : 560,504,477.70 = 359,320,744.80 : x
  2. Step 2: Convert to fraction form
    373,669,651.80/560,504,477.70 = 359,320,744.80/x
  3. Step 3: Cross multiply
    373,669,651.80x = 560,504,477.70 × 359,320,744.80
  4. Step 4: Simplify right side
    373,669,651.80x = 201,400,886,390,899,008
  5. Step 5: Solve for x
    x = 201,400,886,390,899,008/373,669,651.80
  6. Step 6: Final answer
    x = 538,981,117.20

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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.