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Finding the Fourth Proportional to 436,085,294.88, 654,218,221.68 and 177,300,559.20

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Solution

The fourth proportional to 436,085,294.88, 654,218,221.68 and 177,300,559.20 is: 265,987,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,085,294.88 : 654,218,221.68 = 177,300,559.20 : x
  2. Step 2: Convert to fraction form
    436,085,294.88/654,218,221.68 = 177,300,559.20/x
  3. Step 3: Cross multiply
    436,085,294.88x = 654,218,221.68 × 177,300,559.20
  4. Step 4: Simplify right side
    436,085,294.88x = 115,993,256,542,693,552
  5. Step 5: Solve for x
    x = 115,993,256,542,693,552/436,085,294.88
  6. Step 6: Final answer
    x = 265,987,543.96

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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.