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Finding the Fourth Proportional to 338,605.65, 507,912.80 and 233,396.37

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Solution

The fourth proportional to 338,605.65, 507,912.80 and 233,396.37 is: 350,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,605.65 : 507,912.80 = 233,396.37 : x
  2. Step 2: Convert to fraction form
    338,605.65/507,912.80 = 233,396.37/x
  3. Step 3: Cross multiply
    338,605.65x = 507,912.80 × 233,396.37
  4. Step 4: Simplify right side
    338,605.65x = 118,545,002,629.55
  5. Step 5: Solve for x
    x = 118,545,002,629.55/338,605.65
  6. Step 6: Final answer
    x = 350,097.53

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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.