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Finding the Fourth Proportional to 358,070.88, 494,150.23 and 196,938.12

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Solution

The fourth proportional to 358,070.88, 494,150.23 and 196,938.12 is: 271,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,070.88 : 494,150.23 = 196,938.12 : x
  2. Step 2: Convert to fraction form
    358,070.88/494,150.23 = 196,938.12/x
  3. Step 3: Cross multiply
    358,070.88x = 494,150.23 × 196,938.12
  4. Step 4: Simplify right side
    358,070.88x = 97,317,017,293.77
  5. Step 5: Solve for x
    x = 97,317,017,293.77/358,070.88
  6. Step 6: Final answer
    x = 271,781.43

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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.