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Finding the Fourth Proportional to 483,390.95, 667,080.24 and 268,525.49

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Solution

The fourth proportional to 483,390.95, 667,080.24 and 268,525.49 is: 370,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,390.95 : 667,080.24 = 268,525.49 : x
  2. Step 2: Convert to fraction form
    483,390.95/667,080.24 = 268,525.49/x
  3. Step 3: Cross multiply
    483,390.95x = 667,080.24 × 268,525.49
  4. Step 4: Simplify right side
    483,390.95x = 179,128,048,315.32
  5. Step 5: Solve for x
    x = 179,128,048,315.32/483,390.95
  6. Step 6: Final answer
    x = 370,565.58

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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.