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Finding the Fourth Proportional to 358,001.96, 494,032.26 and 196,856.84

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Solution

The fourth proportional to 358,001.96, 494,032.26 and 196,856.84 is: 271,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,001.96 : 494,032.26 = 196,856.84 : x
  2. Step 2: Convert to fraction form
    358,001.96/494,032.26 = 196,856.84/x
  3. Step 3: Cross multiply
    358,001.96x = 494,032.26 × 196,856.84
  4. Step 4: Simplify right side
    358,001.96x = 97,253,629,561.66
  5. Step 5: Solve for x
    x = 97,253,629,561.66/358,001.96
  6. Step 6: Final answer
    x = 271,656.70

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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.