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Finding the Fourth Proportional to 490,074.39, 735,213.63 and 153,101.43

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Solution

The fourth proportional to 490,074.39, 735,213.63 and 153,101.43 is: 229,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,074.39 : 735,213.63 = 153,101.43 : x
  2. Step 2: Convert to fraction form
    490,074.39/735,213.63 = 153,101.43/x
  3. Step 3: Cross multiply
    490,074.39x = 735,213.63 × 153,101.43
  4. Step 4: Simplify right side
    490,074.39x = 112,562,258,108.49
  5. Step 5: Solve for x
    x = 112,562,258,108.49/490,074.39
  6. Step 6: Final answer
    x = 229,684.02

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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.