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Finding the Fourth Proportional to 528,268.48, 792,375.18 and 173,235.76

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Solution

The fourth proportional to 528,268.48, 792,375.18 and 173,235.76 is: 259,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,268.48 : 792,375.18 = 173,235.76 : x
  2. Step 2: Convert to fraction form
    528,268.48/792,375.18 = 173,235.76/x
  3. Step 3: Cross multiply
    528,268.48x = 792,375.18 × 173,235.76
  4. Step 4: Simplify right side
    528,268.48x = 137,267,716,512.44
  5. Step 5: Solve for x
    x = 137,267,716,512.44/528,268.48
  6. Step 6: Final answer
    x = 259,844.61

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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.