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Finding the Fourth Proportional to 358,023.96, 494,034.74 and 207,092.76

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Solution

The fourth proportional to 358,023.96, 494,034.74 and 207,092.76 is: 285,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,023.96 : 494,034.74 = 207,092.76 : x
  2. Step 2: Convert to fraction form
    358,023.96/494,034.74 = 207,092.76/x
  3. Step 3: Cross multiply
    358,023.96x = 494,034.74 × 207,092.76
  4. Step 4: Simplify right side
    358,023.96x = 102,311,017,842.48
  5. Step 5: Solve for x
    x = 102,311,017,842.48/358,023.96
  6. Step 6: Final answer
    x = 285,765.84

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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.