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Finding the Fourth Proportional to 271,533.60, 374,729.12 and 169,619.36

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Solution

The fourth proportional to 271,533.60, 374,729.12 and 169,619.36 is: 234,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,533.60 : 374,729.12 = 169,619.36 : x
  2. Step 2: Convert to fraction form
    271,533.60/374,729.12 = 169,619.36/x
  3. Step 3: Cross multiply
    271,533.60x = 374,729.12 × 169,619.36
  4. Step 4: Simplify right side
    271,533.60x = 63,561,313,507.76
  5. Step 5: Solve for x
    x = 63,561,313,507.76/271,533.60
  6. Step 6: Final answer
    x = 234,082.68

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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.