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Finding the Fourth Proportional to 606,352.70, 909,638.40 and 251,402.60

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Solution

The fourth proportional to 606,352.70, 909,638.40 and 251,402.60 is: 377,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,352.70 : 909,638.40 = 251,402.60 : x
  2. Step 2: Convert to fraction form
    606,352.70/909,638.40 = 251,402.60/x
  3. Step 3: Cross multiply
    606,352.70x = 909,638.40 × 251,402.60
  4. Step 4: Simplify right side
    606,352.70x = 228,685,458,819.84
  5. Step 5: Solve for x
    x = 228,685,458,819.84/606,352.70
  6. Step 6: Final answer
    x = 377,149.24

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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.