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Finding the Fourth Proportional to 321,570.60, 481,880.70 and 233,010.60

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Solution

The fourth proportional to 321,570.60, 481,880.70 and 233,010.60 is: 349,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,570.60 : 481,880.70 = 233,010.60 : x
  2. Step 2: Convert to fraction form
    321,570.60/481,880.70 = 233,010.60/x
  3. Step 3: Cross multiply
    321,570.60x = 481,880.70 × 233,010.60
  4. Step 4: Simplify right side
    321,570.60x = 112,283,311,035.42
  5. Step 5: Solve for x
    x = 112,283,311,035.42/321,570.60
  6. Step 6: Final answer
    x = 349,171.57

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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.