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Finding the Fourth Proportional to 357,987.48, 494,026.08 and 196,843.56

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Solution

The fourth proportional to 357,987.48, 494,026.08 and 196,843.56 is: 271,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,987.48 : 494,026.08 = 196,843.56 : x
  2. Step 2: Convert to fraction form
    357,987.48/494,026.08 = 196,843.56/x
  3. Step 3: Cross multiply
    357,987.48x = 494,026.08 × 196,843.56
  4. Step 4: Simplify right side
    357,987.48x = 97,245,852,320.04
  5. Step 5: Solve for x
    x = 97,245,852,320.04/357,987.48
  6. Step 6: Final answer
    x = 271,645.96

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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.