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Finding the Fourth Proportional to 358,062.52, 494,128.07 and 196,927.87

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Solution

The fourth proportional to 358,062.52, 494,128.07 and 196,927.87 is: 271,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,062.52 : 494,128.07 = 196,927.87 : x
  2. Step 2: Convert to fraction form
    358,062.52/494,128.07 = 196,927.87/x
  3. Step 3: Cross multiply
    358,062.52x = 494,128.07 × 196,927.87
  4. Step 4: Simplify right side
    358,062.52x = 97,307,588,332.31
  5. Step 5: Solve for x
    x = 97,307,588,332.31/358,062.52
  6. Step 6: Final answer
    x = 271,761.45

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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.