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Finding the Fourth Proportional to 318,563.66, 439,567.47 and 182,571.41

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Solution

The fourth proportional to 318,563.66, 439,567.47 and 182,571.41 is: 251,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,563.66 : 439,567.47 = 182,571.41 : x
  2. Step 2: Convert to fraction form
    318,563.66/439,567.47 = 182,571.41/x
  3. Step 3: Cross multiply
    318,563.66x = 439,567.47 × 182,571.41
  4. Step 4: Simplify right side
    318,563.66x = 80,252,450,590.20
  5. Step 5: Solve for x
    x = 80,252,450,590.20/318,563.66
  6. Step 6: Final answer
    x = 251,919.67

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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.