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Finding the Fourth Proportional to 330,989.96, 456,770.82 and 180,087.08

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Solution

The fourth proportional to 330,989.96, 456,770.82 and 180,087.08 is: 248,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,989.96 : 456,770.82 = 180,087.08 : x
  2. Step 2: Convert to fraction form
    330,989.96/456,770.82 = 180,087.08/x
  3. Step 3: Cross multiply
    330,989.96x = 456,770.82 × 180,087.08
  4. Step 4: Simplify right side
    330,989.96x = 82,258,523,203.01
  5. Step 5: Solve for x
    x = 82,258,523,203.01/330,989.96
  6. Step 6: Final answer
    x = 248,522.71

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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.