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Finding the Fourth Proportional to 318,144.84, 439,040.88 and 182,180.94

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Solution

The fourth proportional to 318,144.84, 439,040.88 and 182,180.94 is: 251,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,144.84 : 439,040.88 = 182,180.94 : x
  2. Step 2: Convert to fraction form
    318,144.84/439,040.88 = 182,180.94/x
  3. Step 3: Cross multiply
    318,144.84x = 439,040.88 × 182,180.94
  4. Step 4: Simplify right side
    318,144.84x = 79,984,880,216.83
  5. Step 5: Solve for x
    x = 79,984,880,216.83/318,144.84
  6. Step 6: Final answer
    x = 251,410.27

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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.