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Finding the Fourth Proportional to 358,004.70, 494,029.54 and 196,866.54

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Solution

The fourth proportional to 358,004.70, 494,029.54 and 196,866.54 is: 271,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,004.70 : 494,029.54 = 196,866.54 : x
  2. Step 2: Convert to fraction form
    358,004.70/494,029.54 = 196,866.54/x
  3. Step 3: Cross multiply
    358,004.70x = 494,029.54 × 196,866.54
  4. Step 4: Simplify right side
    358,004.70x = 97,257,886,197.59
  5. Step 5: Solve for x
    x = 97,257,886,197.59/358,004.70
  6. Step 6: Final answer
    x = 271,666.51

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1.5x scale

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.