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Finding the Fourth Proportional to 402,847.22, 604,310.29 and 146,749.39

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Solution

The fourth proportional to 402,847.22, 604,310.29 and 146,749.39 is: 220,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,847.22 : 604,310.29 = 146,749.39 : x
  2. Step 2: Convert to fraction form
    402,847.22/604,310.29 = 146,749.39/x
  3. Step 3: Cross multiply
    402,847.22x = 604,310.29 × 146,749.39
  4. Step 4: Simplify right side
    402,847.22x = 88,682,164,550.57
  5. Step 5: Solve for x
    x = 88,682,164,550.57/402,847.22
  6. Step 6: Final answer
    x = 220,138.45

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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.