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Finding the Fourth Proportional to 467,820.78, 701,623.71 and 130,885.08

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Solution

The fourth proportional to 467,820.78, 701,623.71 and 130,885.08 is: 196,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,820.78 : 701,623.71 = 130,885.08 : x
  2. Step 2: Convert to fraction form
    467,820.78/701,623.71 = 130,885.08/x
  3. Step 3: Cross multiply
    467,820.78x = 701,623.71 × 130,885.08
  4. Step 4: Simplify right side
    467,820.78x = 91,832,075,413.25
  5. Step 5: Solve for x
    x = 91,832,075,413.25/467,820.78
  6. Step 6: Final answer
    x = 196,297.56

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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.