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Finding the Fourth Proportional to 606,529,793.70, 909,794,690.55 and 402,288,488.10

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Solution

The fourth proportional to 606,529,793.70, 909,794,690.55 and 402,288,488.10 is: 603,432,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,529,793.70 : 909,794,690.55 = 402,288,488.10 : x
  2. Step 2: Convert to fraction form
    606,529,793.70/909,794,690.55 = 402,288,488.10/x
  3. Step 3: Cross multiply
    606,529,793.70x = 909,794,690.55 × 402,288,488.10
  4. Step 4: Simplify right side
    606,529,793.70x = 365,999,930,542,766,848
  5. Step 5: Solve for x
    x = 365,999,930,542,766,848/606,529,793.70
  6. Step 6: Final answer
    x = 603,432,732.15

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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.