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Finding the Fourth Proportional to 258,185.85, 356,334.98 and 185,828.01

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Solution

The fourth proportional to 258,185.85, 356,334.98 and 185,828.01 is: 256,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,185.85 : 356,334.98 = 185,828.01 : x
  2. Step 2: Convert to fraction form
    258,185.85/356,334.98 = 185,828.01/x
  3. Step 3: Cross multiply
    258,185.85x = 356,334.98 × 185,828.01
  4. Step 4: Simplify right side
    258,185.85x = 66,217,020,226.79
  5. Step 5: Solve for x
    x = 66,217,020,226.79/258,185.85
  6. Step 6: Final answer
    x = 256,470.37

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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.