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Finding the Fourth Proportional to 357,843.64, 493,818.68 and 196,695.23

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Solution

The fourth proportional to 357,843.64, 493,818.68 and 196,695.23 is: 271,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,843.64 : 493,818.68 = 196,695.23 : x
  2. Step 2: Convert to fraction form
    357,843.64/493,818.68 = 196,695.23/x
  3. Step 3: Cross multiply
    357,843.64x = 493,818.68 × 196,695.23
  4. Step 4: Simplify right side
    357,843.64x = 97,131,776,863.54
  5. Step 5: Solve for x
    x = 97,131,776,863.54/357,843.64
  6. Step 6: Final answer
    x = 271,436.37

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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.