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Finding the Fourth Proportional to 633,075.67, 873,692.95 and 361,149.56

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Solution

The fourth proportional to 633,075.67, 873,692.95 and 361,149.56 is: 498,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,075.67 : 873,692.95 = 361,149.56 : x
  2. Step 2: Convert to fraction form
    633,075.67/873,692.95 = 361,149.56/x
  3. Step 3: Cross multiply
    633,075.67x = 873,692.95 × 361,149.56
  4. Step 4: Simplify right side
    633,075.67x = 315,533,824,083.43
  5. Step 5: Solve for x
    x = 315,533,824,083.43/633,075.67
  6. Step 6: Final answer
    x = 498,414.07

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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.