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Finding the Fourth Proportional to 294,080.40, 405,819.24 and 159,944.40

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Solution

The fourth proportional to 294,080.40, 405,819.24 and 159,944.40 is: 220,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,080.40 : 405,819.24 = 159,944.40 : x
  2. Step 2: Convert to fraction form
    294,080.40/405,819.24 = 159,944.40/x
  3. Step 3: Cross multiply
    294,080.40x = 405,819.24 × 159,944.40
  4. Step 4: Simplify right side
    294,080.40x = 64,908,514,850.26
  5. Step 5: Solve for x
    x = 64,908,514,850.26/294,080.40
  6. Step 6: Final answer
    x = 220,716.90

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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.