Home / 483,145.26-666,718.20-268,299.06

Finding the Fourth Proportional to 483,145.26, 666,718.20 and 268,299.06

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Solution

The fourth proportional to 483,145.26, 666,718.20 and 268,299.06 is: 370,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,145.26 : 666,718.20 = 268,299.06 : x
  2. Step 2: Convert to fraction form
    483,145.26/666,718.20 = 268,299.06/x
  3. Step 3: Cross multiply
    483,145.26x = 666,718.20 × 268,299.06
  4. Step 4: Simplify right side
    483,145.26x = 178,879,866,344.89
  5. Step 5: Solve for x
    x = 178,879,866,344.89/483,145.26
  6. Step 6: Final answer
    x = 370,240.34

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1.5x scale

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.