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Finding the Fourth Proportional to 483,216.84, 667,172.88 and 302,010.12

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Solution

The fourth proportional to 483,216.84, 667,172.88 and 302,010.12 is: 416,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,216.84 : 667,172.88 = 302,010.12 : x
  2. Step 2: Convert to fraction form
    483,216.84/667,172.88 = 302,010.12/x
  3. Step 3: Cross multiply
    483,216.84x = 667,172.88 × 302,010.12
  4. Step 4: Simplify right side
    483,216.84x = 201,492,961,549.55
  5. Step 5: Solve for x
    x = 201,492,961,549.55/483,216.84
  6. Step 6: Final answer
    x = 416,982.49

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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.