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Finding the Fourth Proportional to 363,054.95, 500,977.47 and 201,883.98

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Solution

The fourth proportional to 363,054.95, 500,977.47 and 201,883.98 is: 278,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,054.95 : 500,977.47 = 201,883.98 : x
  2. Step 2: Convert to fraction form
    363,054.95/500,977.47 = 201,883.98/x
  3. Step 3: Cross multiply
    363,054.95x = 500,977.47 × 201,883.98
  4. Step 4: Simplify right side
    363,054.95x = 101,139,325,533.93
  5. Step 5: Solve for x
    x = 101,139,325,533.93/363,054.95
  6. Step 6: Final answer
    x = 278,578.56

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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.