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Finding the Fourth Proportional to 589,996.80, 814,147.20 and 335,289.60

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Solution

The fourth proportional to 589,996.80, 814,147.20 and 335,289.60 is: 462,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,996.80 : 814,147.20 = 335,289.60 : x
  2. Step 2: Convert to fraction form
    589,996.80/814,147.20 = 335,289.60/x
  3. Step 3: Cross multiply
    589,996.80x = 814,147.20 × 335,289.60
  4. Step 4: Simplify right side
    589,996.80x = 272,975,089,029.12
  5. Step 5: Solve for x
    x = 272,975,089,029.12/589,996.80
  6. Step 6: Final answer
    x = 462,672.15

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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.