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Finding the Fourth Proportional to 358,073.76, 494,154.20 and 196,941

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Solution

The fourth proportional to 358,073.76, 494,154.20 and 196,941 is: 271,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,073.76 : 494,154.20 = 196,941 : x
  2. Step 2: Convert to fraction form
    358,073.76/494,154.20 = 196,941/x
  3. Step 3: Cross multiply
    358,073.76x = 494,154.20 × 196,941
  4. Step 4: Simplify right side
    358,073.76x = 97,319,222,302.20
  5. Step 5: Solve for x
    x = 97,319,222,302.20/358,073.76
  6. Step 6: Final answer
    x = 271,785.41

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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.