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Finding the Fourth Proportional to 358,087.22, 494,160.54 and 196,953.20

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Solution

The fourth proportional to 358,087.22, 494,160.54 and 196,953.20 is: 271,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,087.22 : 494,160.54 = 196,953.20 : x
  2. Step 2: Convert to fraction form
    358,087.22/494,160.54 = 196,953.20/x
  3. Step 3: Cross multiply
    358,087.22x = 494,160.54 × 196,953.20
  4. Step 4: Simplify right side
    358,087.22x = 97,326,499,666.73
  5. Step 5: Solve for x
    x = 97,326,499,666.73/358,087.22
  6. Step 6: Final answer
    x = 271,795.51

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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.