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Finding the Fourth Proportional to 444,130.80, 666,196.20 and 311,161.20

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Solution

The fourth proportional to 444,130.80, 666,196.20 and 311,161.20 is: 466,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,130.80 : 666,196.20 = 311,161.20 : x
  2. Step 2: Convert to fraction form
    444,130.80/666,196.20 = 311,161.20/x
  3. Step 3: Cross multiply
    444,130.80x = 666,196.20 × 311,161.20
  4. Step 4: Simplify right side
    444,130.80x = 207,294,409,027.44
  5. Step 5: Solve for x
    x = 207,294,409,027.44/444,130.80
  6. Step 6: Final answer
    x = 466,741.80

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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.