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Finding the Fourth Proportional to 606,351.70, 909,636.90 and 251,401.60

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Solution

The fourth proportional to 606,351.70, 909,636.90 and 251,401.60 is: 377,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,351.70 : 909,636.90 = 251,401.60 : x
  2. Step 2: Convert to fraction form
    606,351.70/909,636.90 = 251,401.60/x
  3. Step 3: Cross multiply
    606,351.70x = 909,636.90 × 251,401.60
  4. Step 4: Simplify right side
    606,351.70x = 228,684,172,079.04
  5. Step 5: Solve for x
    x = 228,684,172,079.04/606,351.70
  6. Step 6: Final answer
    x = 377,147.74

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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.