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Finding the Fourth Proportional to 436,605,862.60, 654,908,793.90 and 382,858,150.60

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Solution

The fourth proportional to 436,605,862.60, 654,908,793.90 and 382,858,150.60 is: 574,287,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,605,862.60 : 654,908,793.90 = 382,858,150.60 : x
  2. Step 2: Convert to fraction form
    436,605,862.60/654,908,793.90 = 382,858,150.60/x
  3. Step 3: Cross multiply
    436,605,862.60x = 654,908,793.90 × 382,858,150.60
  4. Step 4: Simplify right side
    436,605,862.60x = 250,737,169,644,230,560
  5. Step 5: Solve for x
    x = 250,737,169,644,230,560/436,605,862.60
  6. Step 6: Final answer
    x = 574,287,225.90

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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.