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Finding the Fourth Proportional to 580,448.90, 800,975.52 and 325,750.88

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Solution

The fourth proportional to 580,448.90, 800,975.52 and 325,750.88 is: 449,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,448.90 : 800,975.52 = 325,750.88 : x
  2. Step 2: Convert to fraction form
    580,448.90/800,975.52 = 325,750.88/x
  3. Step 3: Cross multiply
    580,448.90x = 800,975.52 × 325,750.88
  4. Step 4: Simplify right side
    580,448.90x = 260,918,476,493.58
  5. Step 5: Solve for x
    x = 260,918,476,493.58/580,448.90
  6. Step 6: Final answer
    x = 449,511.54

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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.