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Finding the Fourth Proportional to 258,927.54, 357,223.29 and 258,528.37

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Solution

The fourth proportional to 258,927.54, 357,223.29 and 258,528.37 is: 356,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,927.54 : 357,223.29 = 258,528.37 : x
  2. Step 2: Convert to fraction form
    258,927.54/357,223.29 = 258,528.37/x
  3. Step 3: Cross multiply
    258,927.54x = 357,223.29 × 258,528.37
  4. Step 4: Simplify right side
    258,927.54x = 92,352,354,889.74
  5. Step 5: Solve for x
    x = 92,352,354,889.74/258,927.54
  6. Step 6: Final answer
    x = 356,672.58

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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.