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Finding the Fourth Proportional to 358,329.55, 494,484.27 and 197,184.49

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Solution

The fourth proportional to 358,329.55, 494,484.27 and 197,184.49 is: 272,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,329.55 : 494,484.27 = 197,184.49 : x
  2. Step 2: Convert to fraction form
    358,329.55/494,484.27 = 197,184.49/x
  3. Step 3: Cross multiply
    358,329.55x = 494,484.27 × 197,184.49
  4. Step 4: Simplify right side
    358,329.55x = 97,504,628,592.97
  5. Step 5: Solve for x
    x = 97,504,628,592.97/358,329.55
  6. Step 6: Final answer
    x = 272,108.81

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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.