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Finding the Fourth Proportional to 438,854.54, 605,615.76 and 237,650.54

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Solution

The fourth proportional to 438,854.54, 605,615.76 and 237,650.54 is: 327,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,854.54 : 605,615.76 = 237,650.54 : x
  2. Step 2: Convert to fraction form
    438,854.54/605,615.76 = 237,650.54/x
  3. Step 3: Cross multiply
    438,854.54x = 605,615.76 × 237,650.54
  4. Step 4: Simplify right side
    438,854.54x = 143,924,912,396.51
  5. Step 5: Solve for x
    x = 143,924,912,396.51/438,854.54
  6. Step 6: Final answer
    x = 327,955.85

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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.