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Finding the Fourth Proportional to 358,004.91, 494,038.74 and 194,657.88

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Solution

The fourth proportional to 358,004.91, 494,038.74 and 194,657.88 is: 268,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,004.91 : 494,038.74 = 194,657.88 : x
  2. Step 2: Convert to fraction form
    358,004.91/494,038.74 = 194,657.88/x
  3. Step 3: Cross multiply
    358,004.91x = 494,038.74 × 194,657.88
  4. Step 4: Simplify right side
    358,004.91x = 96,168,536,348.88
  5. Step 5: Solve for x
    x = 96,168,536,348.88/358,004.91
  6. Step 6: Final answer
    x = 268,623.51

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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.