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Finding the Fourth Proportional to 290,037.33, 400,161.80 and 169,093.04

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Solution

The fourth proportional to 290,037.33, 400,161.80 and 169,093.04 is: 233,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,037.33 : 400,161.80 = 169,093.04 : x
  2. Step 2: Convert to fraction form
    290,037.33/400,161.80 = 169,093.04/x
  3. Step 3: Cross multiply
    290,037.33x = 400,161.80 × 169,093.04
  4. Step 4: Simplify right side
    290,037.33x = 67,664,572,407.60
  5. Step 5: Solve for x
    x = 67,664,572,407.60/290,037.33
  6. Step 6: Final answer
    x = 233,296.08

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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.