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Finding the Fourth Proportional to 358,159.88, 494,250.72 and 194,810.96

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Solution

The fourth proportional to 358,159.88, 494,250.72 and 194,810.96 is: 268,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,159.88 : 494,250.72 = 194,810.96 : x
  2. Step 2: Convert to fraction form
    358,159.88/494,250.72 = 194,810.96/x
  3. Step 3: Cross multiply
    358,159.88x = 494,250.72 × 194,810.96
  4. Step 4: Simplify right side
    358,159.88x = 96,285,457,243.89
  5. Step 5: Solve for x
    x = 96,285,457,243.89/358,159.88
  6. Step 6: Final answer
    x = 268,833.73

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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.