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Finding the Fourth Proportional to 335,998.80, 504,581.40 and 178,534.80

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Solution

The fourth proportional to 335,998.80, 504,581.40 and 178,534.80 is: 268,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,998.80 : 504,581.40 = 178,534.80 : x
  2. Step 2: Convert to fraction form
    335,998.80/504,581.40 = 178,534.80/x
  3. Step 3: Cross multiply
    335,998.80x = 504,581.40 × 178,534.80
  4. Step 4: Simplify right side
    335,998.80x = 90,085,339,332.72
  5. Step 5: Solve for x
    x = 90,085,339,332.72/335,998.80
  6. Step 6: Final answer
    x = 268,112.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.