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Finding the Fourth Proportional to 483,206.88, 666,847.80 and 268,347.90

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Solution

The fourth proportional to 483,206.88, 666,847.80 and 268,347.90 is: 370,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,206.88 : 666,847.80 = 268,347.90 : x
  2. Step 2: Convert to fraction form
    483,206.88/666,847.80 = 268,347.90/x
  3. Step 3: Cross multiply
    483,206.88x = 666,847.80 × 268,347.90
  4. Step 4: Simplify right side
    483,206.88x = 178,947,206,749.62
  5. Step 5: Solve for x
    x = 178,947,206,749.62/483,206.88
  6. Step 6: Final answer
    x = 370,332.49

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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.