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Finding the Fourth Proportional to 332,801.40, 499,266.90 and 143,261.40

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Solution

The fourth proportional to 332,801.40, 499,266.90 and 143,261.40 is: 214,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,801.40 : 499,266.90 = 143,261.40 : x
  2. Step 2: Convert to fraction form
    332,801.40/499,266.90 = 143,261.40/x
  3. Step 3: Cross multiply
    332,801.40x = 499,266.90 × 143,261.40
  4. Step 4: Simplify right side
    332,801.40x = 71,525,675,067.66
  5. Step 5: Solve for x
    x = 71,525,675,067.66/332,801.40
  6. Step 6: Final answer
    x = 214,919.99

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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.