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Finding the Fourth Proportional to 466,251.93, 643,404.15 and 275,228.37

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Solution

The fourth proportional to 466,251.93, 643,404.15 and 275,228.37 is: 379,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,251.93 : 643,404.15 = 275,228.37 : x
  2. Step 2: Convert to fraction form
    466,251.93/643,404.15 = 275,228.37/x
  3. Step 3: Cross multiply
    466,251.93x = 643,404.15 × 275,228.37
  4. Step 4: Simplify right side
    466,251.93x = 177,083,075,455.74
  5. Step 5: Solve for x
    x = 177,083,075,455.74/466,251.93
  6. Step 6: Final answer
    x = 379,801.27

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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.