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Finding the Fourth Proportional to 358,174.11, 494,281.41 and 197,041.41

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Solution

The fourth proportional to 358,174.11, 494,281.41 and 197,041.41 is: 271,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,174.11 : 494,281.41 = 197,041.41 : x
  2. Step 2: Convert to fraction form
    358,174.11/494,281.41 = 197,041.41/x
  3. Step 3: Cross multiply
    358,174.11x = 494,281.41 × 197,041.41
  4. Step 4: Simplify right side
    358,174.11x = 97,393,905,963.19
  5. Step 5: Solve for x
    x = 97,393,905,963.19/358,174.11
  6. Step 6: Final answer
    x = 271,917.77

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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.