Home / 483,137.28-666,707.12-268,290.96

Finding the Fourth Proportional to 483,137.28, 666,707.12 and 268,290.96

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Solution

The fourth proportional to 483,137.28, 666,707.12 and 268,290.96 is: 370,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,137.28 : 666,707.12 = 268,290.96 : x
  2. Step 2: Convert to fraction form
    483,137.28/666,707.12 = 268,290.96/x
  3. Step 3: Cross multiply
    483,137.28x = 666,707.12 × 268,290.96
  4. Step 4: Simplify right side
    483,137.28x = 178,871,493,263.64
  5. Step 5: Solve for x
    x = 178,871,493,263.64/483,137.28
  6. Step 6: Final answer
    x = 370,229.13

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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.