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Finding the Fourth Proportional to 450,907.93, 676,202.36 and 130,993.24

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Solution

The fourth proportional to 450,907.93, 676,202.36 and 130,993.24 is: 196,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,907.93 : 676,202.36 = 130,993.24 : x
  2. Step 2: Convert to fraction form
    450,907.93/676,202.36 = 130,993.24/x
  3. Step 3: Cross multiply
    450,907.93x = 676,202.36 × 130,993.24
  4. Step 4: Simplify right side
    450,907.93x = 88,577,933,996.07
  5. Step 5: Solve for x
    x = 88,577,933,996.07/450,907.93
  6. Step 6: Final answer
    x = 196,443.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.