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Finding the Fourth Proportional to 358,398.14, 494,589.48 and 195,055.26

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Solution

The fourth proportional to 358,398.14, 494,589.48 and 195,055.26 is: 269,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,398.14 : 494,589.48 = 195,055.26 : x
  2. Step 2: Convert to fraction form
    358,398.14/494,589.48 = 195,055.26/x
  3. Step 3: Cross multiply
    358,398.14x = 494,589.48 × 195,055.26
  4. Step 4: Simplify right side
    358,398.14x = 96,472,277,028.50
  5. Step 5: Solve for x
    x = 96,472,277,028.50/358,398.14
  6. Step 6: Final answer
    x = 269,176.28

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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.