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Finding the Fourth Proportional to 373,696.20, 521,993.70 and 373,696.20

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Solution

The fourth proportional to 373,696.20, 521,993.70 and 373,696.20 is: 521,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,696.20 : 521,993.70 = 373,696.20 : x
  2. Step 2: Convert to fraction form
    373,696.20/521,993.70 = 373,696.20/x
  3. Step 3: Cross multiply
    373,696.20x = 521,993.70 × 373,696.20
  4. Step 4: Simplify right side
    373,696.20x = 195,067,062,113.94
  5. Step 5: Solve for x
    x = 195,067,062,113.94/373,696.20
  6. Step 6: Final answer
    x = 521,993.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.