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Finding the Fourth Proportional to 298,332.12, 411,749.46 and 190,896.96

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Solution

The fourth proportional to 298,332.12, 411,749.46 and 190,896.96 is: 263,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,332.12 : 411,749.46 = 190,896.96 : x
  2. Step 2: Convert to fraction form
    298,332.12/411,749.46 = 190,896.96/x
  3. Step 3: Cross multiply
    298,332.12x = 411,749.46 × 190,896.96
  4. Step 4: Simplify right side
    298,332.12x = 78,601,720,195.64
  5. Step 5: Solve for x
    x = 78,601,720,195.64/298,332.12
  6. Step 6: Final answer
    x = 263,470.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.