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Finding the Fourth Proportional to 494,572.40, 741,712.80 and 194,953.40

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Solution

The fourth proportional to 494,572.40, 741,712.80 and 194,953.40 is: 292,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,572.40 : 741,712.80 = 194,953.40 : x
  2. Step 2: Convert to fraction form
    494,572.40/741,712.80 = 194,953.40/x
  3. Step 3: Cross multiply
    494,572.40x = 741,712.80 × 194,953.40
  4. Step 4: Simplify right side
    494,572.40x = 144,599,432,183.52
  5. Step 5: Solve for x
    x = 144,599,432,183.52/494,572.40
  6. Step 6: Final answer
    x = 292,372.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.