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Finding the Fourth Proportional to 490,034.04, 735,155.76 and 170,195.82

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Solution

The fourth proportional to 490,034.04, 735,155.76 and 170,195.82 is: 255,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,034.04 : 735,155.76 = 170,195.82 : x
  2. Step 2: Convert to fraction form
    490,034.04/735,155.76 = 170,195.82/x
  3. Step 3: Cross multiply
    490,034.04x = 735,155.76 × 170,195.82
  4. Step 4: Simplify right side
    490,034.04x = 125,120,437,400.92
  5. Step 5: Solve for x
    x = 125,120,437,400.92/490,034.04
  6. Step 6: Final answer
    x = 255,330.09

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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.