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Finding the Fourth Proportional to 490,600.80, 735,949.80 and 170,703.45

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Solution

The fourth proportional to 490,600.80, 735,949.80 and 170,703.45 is: 256,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,600.80 : 735,949.80 = 170,703.45 : x
  2. Step 2: Convert to fraction form
    490,600.80/735,949.80 = 170,703.45/x
  3. Step 3: Cross multiply
    490,600.80x = 735,949.80 × 170,703.45
  4. Step 4: Simplify right side
    490,600.80x = 125,629,169,886.81
  5. Step 5: Solve for x
    x = 125,629,169,886.81/490,600.80
  6. Step 6: Final answer
    x = 256,072.09

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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.