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Finding the Fourth Proportional to 483,788.08, 667,395 and 314,075.44

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Solution

The fourth proportional to 483,788.08, 667,395 and 314,075.44 is: 433,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,788.08 : 667,395 = 314,075.44 : x
  2. Step 2: Convert to fraction form
    483,788.08/667,395 = 314,075.44/x
  3. Step 3: Cross multiply
    483,788.08x = 667,395 × 314,075.44
  4. Step 4: Simplify right side
    483,788.08x = 209,612,378,278.80
  5. Step 5: Solve for x
    x = 209,612,378,278.80/483,788.08
  6. Step 6: Final answer
    x = 433,273.14

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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.