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Finding the Fourth Proportional to 270,145.20, 404,634.60 and 175,666.80

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Solution

The fourth proportional to 270,145.20, 404,634.60 and 175,666.80 is: 263,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,145.20 : 404,634.60 = 175,666.80 : x
  2. Step 2: Convert to fraction form
    270,145.20/404,634.60 = 175,666.80/x
  3. Step 3: Cross multiply
    270,145.20x = 404,634.60 × 175,666.80
  4. Step 4: Simplify right side
    270,145.20x = 71,080,865,351.28
  5. Step 5: Solve for x
    x = 71,080,865,351.28/270,145.20
  6. Step 6: Final answer
    x = 263,120.96

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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.