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Finding the Fourth Proportional to 358,347.92, 494,542.16 and 197,238.51

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Solution

The fourth proportional to 358,347.92, 494,542.16 and 197,238.51 is: 272,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,347.92 : 494,542.16 = 197,238.51 : x
  2. Step 2: Convert to fraction form
    358,347.92/494,542.16 = 197,238.51/x
  3. Step 3: Cross multiply
    358,347.92x = 494,542.16 × 197,238.51
  4. Step 4: Simplify right side
    358,347.92x = 97,542,757,784.39
  5. Step 5: Solve for x
    x = 97,542,757,784.39/358,347.92
  6. Step 6: Final answer
    x = 272,201.27

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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.