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Finding the Fourth Proportional to 296,695.92, 445,376 and 197,050.72

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Solution

The fourth proportional to 296,695.92, 445,376 and 197,050.72 is: 295,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,695.92 : 445,376 = 197,050.72 : x
  2. Step 2: Convert to fraction form
    296,695.92/445,376 = 197,050.72/x
  3. Step 3: Cross multiply
    296,695.92x = 445,376 × 197,050.72
  4. Step 4: Simplify right side
    296,695.92x = 87,761,661,470.72
  5. Step 5: Solve for x
    x = 87,761,661,470.72/296,695.92
  6. Step 6: Final answer
    x = 295,796.66

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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.