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Finding the Fourth Proportional to 283,919.20, 425,878.80 and 233,180.80

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Solution

The fourth proportional to 283,919.20, 425,878.80 and 233,180.80 is: 349,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,919.20 : 425,878.80 = 233,180.80 : x
  2. Step 2: Convert to fraction form
    283,919.20/425,878.80 = 233,180.80/x
  3. Step 3: Cross multiply
    283,919.20x = 425,878.80 × 233,180.80
  4. Step 4: Simplify right side
    283,919.20x = 99,306,759,287.04
  5. Step 5: Solve for x
    x = 99,306,759,287.04/283,919.20
  6. Step 6: Final answer
    x = 349,771.20

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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.