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Finding the Fourth Proportional to 595,958.54, 893,917.89 and 258,999.21

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Solution

The fourth proportional to 595,958.54, 893,917.89 and 258,999.21 is: 388,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,958.54 : 893,917.89 = 258,999.21 : x
  2. Step 2: Convert to fraction form
    595,958.54/893,917.89 = 258,999.21/x
  3. Step 3: Cross multiply
    595,958.54x = 893,917.89 × 258,999.21
  4. Step 4: Simplify right side
    595,958.54x = 231,524,027,314.87
  5. Step 5: Solve for x
    x = 231,524,027,314.87/595,958.54
  6. Step 6: Final answer
    x = 388,490.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.