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Finding the Fourth Proportional to 483,786.60, 725,420.70 and 202,986.60

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Solution

The fourth proportional to 483,786.60, 725,420.70 and 202,986.60 is: 304,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,786.60 : 725,420.70 = 202,986.60 : x
  2. Step 2: Convert to fraction form
    483,786.60/725,420.70 = 202,986.60/x
  3. Step 3: Cross multiply
    483,786.60x = 725,420.70 × 202,986.60
  4. Step 4: Simplify right side
    483,786.60x = 147,250,681,462.62
  5. Step 5: Solve for x
    x = 147,250,681,462.62/483,786.60
  6. Step 6: Final answer
    x = 304,371.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.