Home / 483,385.10-667,048.80-268,538.26

Finding the Fourth Proportional to 483,385.10, 667,048.80 and 268,538.26

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Solution

The fourth proportional to 483,385.10, 667,048.80 and 268,538.26 is: 370,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,385.10 : 667,048.80 = 268,538.26 : x
  2. Step 2: Convert to fraction form
    483,385.10/667,048.80 = 268,538.26/x
  3. Step 3: Cross multiply
    483,385.10x = 667,048.80 × 268,538.26
  4. Step 4: Simplify right side
    483,385.10x = 179,128,124,087.09
  5. Step 5: Solve for x
    x = 179,128,124,087.09/483,385.10
  6. Step 6: Final answer
    x = 370,570.22

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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.