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Finding the Fourth Proportional to 363,075.37, 501,050.45 and 201,930.49

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Solution

The fourth proportional to 363,075.37, 501,050.45 and 201,930.49 is: 278,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,075.37 : 501,050.45 = 201,930.49 : x
  2. Step 2: Convert to fraction form
    363,075.37/501,050.45 = 201,930.49/x
  3. Step 3: Cross multiply
    363,075.37x = 501,050.45 × 201,930.49
  4. Step 4: Simplify right side
    363,075.37x = 101,177,362,883.22
  5. Step 5: Solve for x
    x = 101,177,362,883.22/363,075.37
  6. Step 6: Final answer
    x = 278,667.66

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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.