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Finding the Fourth Proportional to 438,855.54, 605,617.14 and 237,651.54

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Solution

The fourth proportional to 438,855.54, 605,617.14 and 237,651.54 is: 327,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,855.54 : 605,617.14 = 237,651.54 : x
  2. Step 2: Convert to fraction form
    438,855.54/605,617.14 = 237,651.54/x
  3. Step 3: Cross multiply
    438,855.54x = 605,617.14 × 237,651.54
  4. Step 4: Simplify right side
    438,855.54x = 143,925,845,971.40
  5. Step 5: Solve for x
    x = 143,925,845,971.40/438,855.54
  6. Step 6: Final answer
    x = 327,957.23

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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.