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Finding the Fourth Proportional to 358,682.88, 494,965.08 and 197,544.72

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Solution

The fourth proportional to 358,682.88, 494,965.08 and 197,544.72 is: 272,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,682.88 : 494,965.08 = 197,544.72 : x
  2. Step 2: Convert to fraction form
    358,682.88/494,965.08 = 197,544.72/x
  3. Step 3: Cross multiply
    358,682.88x = 494,965.08 × 197,544.72
  4. Step 4: Simplify right side
    358,682.88x = 97,777,738,138.38
  5. Step 5: Solve for x
    x = 97,777,738,138.38/358,682.88
  6. Step 6: Final answer
    x = 272,602.19

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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.