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Finding the Fourth Proportional to 270,014.80, 404,698.20 and 185,774.80

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Solution

The fourth proportional to 270,014.80, 404,698.20 and 185,774.80 is: 278,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,014.80 : 404,698.20 = 185,774.80 : x
  2. Step 2: Convert to fraction form
    270,014.80/404,698.20 = 185,774.80/x
  3. Step 3: Cross multiply
    270,014.80x = 404,698.20 × 185,774.80
  4. Step 4: Simplify right side
    270,014.80x = 75,182,727,165.36
  5. Step 5: Solve for x
    x = 75,182,727,165.36/270,014.80
  6. Step 6: Final answer
    x = 278,439.28

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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.