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Finding the Fourth Proportional to 458,870.82, 633,343.02 and 254,991.85

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Solution

The fourth proportional to 458,870.82, 633,343.02 and 254,991.85 is: 351,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,870.82 : 633,343.02 = 254,991.85 : x
  2. Step 2: Convert to fraction form
    458,870.82/633,343.02 = 254,991.85/x
  3. Step 3: Cross multiply
    458,870.82x = 633,343.02 × 254,991.85
  4. Step 4: Simplify right side
    458,870.82x = 161,497,308,764.39
  5. Step 5: Solve for x
    x = 161,497,308,764.39/458,870.82
  6. Step 6: Final answer
    x = 351,945.04

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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.