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Finding the Fourth Proportional to 358,490.70, 494,723.50 and 195,151.93

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Solution

The fourth proportional to 358,490.70, 494,723.50 and 195,151.93 is: 269,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,490.70 : 494,723.50 = 195,151.93 : x
  2. Step 2: Convert to fraction form
    358,490.70/494,723.50 = 195,151.93/x
  3. Step 3: Cross multiply
    358,490.70x = 494,723.50 × 195,151.93
  4. Step 4: Simplify right side
    358,490.70x = 96,546,244,116.67
  5. Step 5: Solve for x
    x = 96,546,244,116.67/358,490.70
  6. Step 6: Final answer
    x = 269,313.11

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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.