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Finding the Fourth Proportional to 359,802,200.40, 539,703,300.60 and 267,969,195.60

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Solution

The fourth proportional to 359,802,200.40, 539,703,300.60 and 267,969,195.60 is: 401,953,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,802,200.40 : 539,703,300.60 = 267,969,195.60 : x
  2. Step 2: Convert to fraction form
    359,802,200.40/539,703,300.60 = 267,969,195.60/x
  3. Step 3: Cross multiply
    359,802,200.40x = 539,703,300.60 × 267,969,195.60
  4. Step 4: Simplify right side
    359,802,200.40x = 144,623,859,324,447,008
  5. Step 5: Solve for x
    x = 144,623,859,324,447,008/359,802,200.40
  6. Step 6: Final answer
    x = 401,953,793.40

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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.