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Finding the Fourth Proportional to 275,633.64, 380,409.60 and 168,180.84

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Solution

The fourth proportional to 275,633.64, 380,409.60 and 168,180.84 is: 232,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,633.64 : 380,409.60 = 168,180.84 : x
  2. Step 2: Convert to fraction form
    275,633.64/380,409.60 = 168,180.84/x
  3. Step 3: Cross multiply
    275,633.64x = 380,409.60 × 168,180.84
  4. Step 4: Simplify right side
    275,633.64x = 63,977,606,072.06
  5. Step 5: Solve for x
    x = 63,977,606,072.06/275,633.64
  6. Step 6: Final answer
    x = 232,111.02

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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.