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Finding the Fourth Proportional to 358,194.51, 494,292.82 and 197,039.34

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Solution

The fourth proportional to 358,194.51, 494,292.82 and 197,039.34 is: 271,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,194.51 : 494,292.82 = 197,039.34 : x
  2. Step 2: Convert to fraction form
    358,194.51/494,292.82 = 197,039.34/x
  3. Step 3: Cross multiply
    358,194.51x = 494,292.82 × 197,039.34
  4. Step 4: Simplify right side
    358,194.51x = 97,395,131,019.54
  5. Step 5: Solve for x
    x = 97,395,131,019.54/358,194.51
  6. Step 6: Final answer
    x = 271,905.71

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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.