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Finding the Fourth Proportional to 508,076.96, 701,177.72 and 281,722.46

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Solution

The fourth proportional to 508,076.96, 701,177.72 and 281,722.46 is: 388,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,076.96 : 701,177.72 = 281,722.46 : x
  2. Step 2: Convert to fraction form
    508,076.96/701,177.72 = 281,722.46/x
  3. Step 3: Cross multiply
    508,076.96x = 701,177.72 × 281,722.46
  4. Step 4: Simplify right side
    508,076.96x = 197,537,507,261.09
  5. Step 5: Solve for x
    x = 197,537,507,261.09/508,076.96
  6. Step 6: Final answer
    x = 388,794.46

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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.