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Finding the Fourth Proportional to 438,851.25, 605,614.73 and 237,647.25

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Solution

The fourth proportional to 438,851.25, 605,614.73 and 237,647.25 is: 327,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,851.25 : 605,614.73 = 237,647.25 : x
  2. Step 2: Convert to fraction form
    438,851.25/605,614.73 = 237,647.25/x
  3. Step 3: Cross multiply
    438,851.25x = 605,614.73 × 237,647.25
  4. Step 4: Simplify right side
    438,851.25x = 143,922,673,955.76
  5. Step 5: Solve for x
    x = 143,922,673,955.76/438,851.25
  6. Step 6: Final answer
    x = 327,953.21

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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.