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Finding the Fourth Proportional to 416,813.82, 574,993.35 and 273,553.98

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Solution

The fourth proportional to 416,813.82, 574,993.35 and 273,553.98 is: 377,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,813.82 : 574,993.35 = 273,553.98 : x
  2. Step 2: Convert to fraction form
    416,813.82/574,993.35 = 273,553.98/x
  3. Step 3: Cross multiply
    416,813.82x = 574,993.35 × 273,553.98
  4. Step 4: Simplify right side
    416,813.82x = 157,291,719,366.03
  5. Step 5: Solve for x
    x = 157,291,719,366.03/416,813.82
  6. Step 6: Final answer
    x = 377,366.85

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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.