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Finding the Fourth Proportional to 528,093.70, 792,133.35 and 173,119.30

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Solution

The fourth proportional to 528,093.70, 792,133.35 and 173,119.30 is: 259,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,093.70 : 792,133.35 = 173,119.30 : x
  2. Step 2: Convert to fraction form
    528,093.70/792,133.35 = 173,119.30/x
  3. Step 3: Cross multiply
    528,093.70x = 792,133.35 × 173,119.30
  4. Step 4: Simplify right side
    528,093.70x = 137,133,571,058.66
  5. Step 5: Solve for x
    x = 137,133,571,058.66/528,093.70
  6. Step 6: Final answer
    x = 259,676.59

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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.