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Finding the Fourth Proportional to 490,900.60, 736,091.70 and 175,367.80

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Solution

The fourth proportional to 490,900.60, 736,091.70 and 175,367.80 is: 262,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,900.60 : 736,091.70 = 175,367.80 : x
  2. Step 2: Convert to fraction form
    490,900.60/736,091.70 = 175,367.80/x
  3. Step 3: Cross multiply
    490,900.60x = 736,091.70 × 175,367.80
  4. Step 4: Simplify right side
    490,900.60x = 129,086,782,027.26
  5. Step 5: Solve for x
    x = 129,086,782,027.26/490,900.60
  6. Step 6: Final answer
    x = 262,959.10

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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.