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Finding the Fourth Proportional to 358,682.58, 494,994.65 and 197,549.89

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Solution

The fourth proportional to 358,682.58, 494,994.65 and 197,549.89 is: 272,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,682.58 : 494,994.65 = 197,549.89 : x
  2. Step 2: Convert to fraction form
    358,682.58/494,994.65 = 197,549.89/x
  3. Step 3: Cross multiply
    358,682.58x = 494,994.65 × 197,549.89
  4. Step 4: Simplify right side
    358,682.58x = 97,786,136,432.85
  5. Step 5: Solve for x
    x = 97,786,136,432.85/358,682.58
  6. Step 6: Final answer
    x = 272,625.83

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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.