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Finding the Fourth Proportional to 358,234.47, 494,363.54 and 197,086.06

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Solution

The fourth proportional to 358,234.47, 494,363.54 and 197,086.06 is: 271,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,234.47 : 494,363.54 = 197,086.06 : x
  2. Step 2: Convert to fraction form
    358,234.47/494,363.54 = 197,086.06/x
  3. Step 3: Cross multiply
    358,234.47x = 494,363.54 × 197,086.06
  4. Step 4: Simplify right side
    358,234.47x = 97,432,161,563.06
  5. Step 5: Solve for x
    x = 97,432,161,563.06/358,234.47
  6. Step 6: Final answer
    x = 271,978.74

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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.