Home / 483,210.18-666,860.91-268,350.30

Finding the Fourth Proportional to 483,210.18, 666,860.91 and 268,350.30

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Solution

The fourth proportional to 483,210.18, 666,860.91 and 268,350.30 is: 370,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,210.18 : 666,860.91 = 268,350.30 : x
  2. Step 2: Convert to fraction form
    483,210.18/666,860.91 = 268,350.30/x
  3. Step 3: Cross multiply
    483,210.18x = 666,860.91 × 268,350.30
  4. Step 4: Simplify right side
    483,210.18x = 178,952,325,256.77
  5. Step 5: Solve for x
    x = 178,952,325,256.77/483,210.18
  6. Step 6: Final answer
    x = 370,340.55

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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.