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Finding the Fourth Proportional to 358,045.08, 494,114.90 and 196,912.59

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Solution

The fourth proportional to 358,045.08, 494,114.90 and 196,912.59 is: 271,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,045.08 : 494,114.90 = 196,912.59 : x
  2. Step 2: Convert to fraction form
    358,045.08/494,114.90 = 196,912.59/x
  3. Step 3: Cross multiply
    358,045.08x = 494,114.90 × 196,912.59
  4. Step 4: Simplify right side
    358,045.08x = 97,297,443,732.03
  5. Step 5: Solve for x
    x = 97,297,443,732.03/358,045.08
  6. Step 6: Final answer
    x = 271,746.35

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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.