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Finding the Fourth Proportional to 585,619.80, 878,559.30 and 270,000.60

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Solution

The fourth proportional to 585,619.80, 878,559.30 and 270,000.60 is: 405,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,619.80 : 878,559.30 = 270,000.60 : x
  2. Step 2: Convert to fraction form
    585,619.80/878,559.30 = 270,000.60/x
  3. Step 3: Cross multiply
    585,619.80x = 878,559.30 × 270,000.60
  4. Step 4: Simplify right side
    585,619.80x = 237,211,538,135.58
  5. Step 5: Solve for x
    x = 237,211,538,135.58/585,619.80
  6. Step 6: Final answer
    x = 405,060.65

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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.