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Finding the Fourth Proportional to 358,571.29, 494,824.39 and 197,423.01

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Solution

The fourth proportional to 358,571.29, 494,824.39 and 197,423.01 is: 272,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571.29 : 494,824.39 = 197,423.01 : x
  2. Step 2: Convert to fraction form
    358,571.29/494,824.39 = 197,423.01/x
  3. Step 3: Cross multiply
    358,571.29x = 494,824.39 × 197,423.01
  4. Step 4: Simplify right side
    358,571.29x = 97,689,720,495.21
  5. Step 5: Solve for x
    x = 97,689,720,495.21/358,571.29
  6. Step 6: Final answer
    x = 272,441.56

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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.