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Finding the Fourth Proportional to 358,199.32, 494,299.47 and 197,044.15

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Solution

The fourth proportional to 358,199.32, 494,299.47 and 197,044.15 is: 271,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,199.32 : 494,299.47 = 197,044.15 : x
  2. Step 2: Convert to fraction form
    358,199.32/494,299.47 = 197,044.15/x
  3. Step 3: Cross multiply
    358,199.32x = 494,299.47 × 197,044.15
  4. Step 4: Simplify right side
    358,199.32x = 97,398,817,675.85
  5. Step 5: Solve for x
    x = 97,398,817,675.85/358,199.32
  6. Step 6: Final answer
    x = 271,912.35

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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.