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Finding the Fourth Proportional to 631,860.75, 947,791.13 and 252,952.07

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Solution

The fourth proportional to 631,860.75, 947,791.13 and 252,952.07 is: 379,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,860.75 : 947,791.13 = 252,952.07 : x
  2. Step 2: Convert to fraction form
    631,860.75/947,791.13 = 252,952.07/x
  3. Step 3: Cross multiply
    631,860.75x = 947,791.13 × 252,952.07
  4. Step 4: Simplify right side
    631,860.75x = 239,745,722,257.42
  5. Step 5: Solve for x
    x = 239,745,722,257.42/631,860.75
  6. Step 6: Final answer
    x = 379,428.10

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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.