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Finding the Fourth Proportional to 358,000.88, 494,072.70 and 196,884.32

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Solution

The fourth proportional to 358,000.88, 494,072.70 and 196,884.32 is: 271,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,000.88 : 494,072.70 = 196,884.32 : x
  2. Step 2: Convert to fraction form
    358,000.88/494,072.70 = 196,884.32/x
  3. Step 3: Cross multiply
    358,000.88x = 494,072.70 × 196,884.32
  4. Step 4: Simplify right side
    358,000.88x = 97,275,167,570.06
  5. Step 5: Solve for x
    x = 97,275,167,570.06/358,000.88
  6. Step 6: Final answer
    x = 271,717.68

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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.