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Finding the Fourth Proportional to 580,449.65, 800,976.60 and 325,751.63

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Solution

The fourth proportional to 580,449.65, 800,976.60 and 325,751.63 is: 449,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,449.65 : 800,976.60 = 325,751.63 : x
  2. Step 2: Convert to fraction form
    580,449.65/800,976.60 = 325,751.63/x
  3. Step 3: Cross multiply
    580,449.65x = 800,976.60 × 325,751.63
  4. Step 4: Simplify right side
    580,449.65x = 260,919,429,036.98
  5. Step 5: Solve for x
    x = 260,919,429,036.98/580,449.65
  6. Step 6: Final answer
    x = 449,512.60

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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.