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Finding the Fourth Proportional to 358,580.75, 494,841.45 and 199,604.75

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Solution

The fourth proportional to 358,580.75, 494,841.45 and 199,604.75 is: 275,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,580.75 : 494,841.45 = 199,604.75 : x
  2. Step 2: Convert to fraction form
    358,580.75/494,841.45 = 199,604.75/x
  3. Step 3: Cross multiply
    358,580.75x = 494,841.45 × 199,604.75
  4. Step 4: Simplify right side
    358,580.75x = 98,772,703,916.89
  5. Step 5: Solve for x
    x = 98,772,703,916.89/358,580.75
  6. Step 6: Final answer
    x = 275,454.56

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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.