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Finding the Fourth Proportional to 358,056.52, 494,106.68 and 196,911.07

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Solution

The fourth proportional to 358,056.52, 494,106.68 and 196,911.07 is: 271,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,056.52 : 494,106.68 = 196,911.07 : x
  2. Step 2: Convert to fraction form
    358,056.52/494,106.68 = 196,911.07/x
  3. Step 3: Cross multiply
    358,056.52x = 494,106.68 × 196,911.07
  4. Step 4: Simplify right side
    358,056.52x = 97,295,074,309.96
  5. Step 5: Solve for x
    x = 97,295,074,309.96/358,056.52
  6. Step 6: Final answer
    x = 271,731.05

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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.