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Finding the Fourth Proportional to 323,551.45, 446,505.38 and 180,306.60

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Solution

The fourth proportional to 323,551.45, 446,505.38 and 180,306.60 is: 248,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,551.45 : 446,505.38 = 180,306.60 : x
  2. Step 2: Convert to fraction form
    323,551.45/446,505.38 = 180,306.60/x
  3. Step 3: Cross multiply
    323,551.45x = 446,505.38 × 180,306.60
  4. Step 4: Simplify right side
    323,551.45x = 80,507,866,949.51
  5. Step 5: Solve for x
    x = 80,507,866,949.51/323,551.45
  6. Step 6: Final answer
    x = 248,825.55

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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.