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Finding the Fourth Proportional to 528,057.70, 792,079.35 and 173,083.30

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Solution

The fourth proportional to 528,057.70, 792,079.35 and 173,083.30 is: 259,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,057.70 : 792,079.35 = 173,083.30 : x
  2. Step 2: Convert to fraction form
    528,057.70/792,079.35 = 173,083.30/x
  3. Step 3: Cross multiply
    528,057.70x = 792,079.35 × 173,083.30
  4. Step 4: Simplify right side
    528,057.70x = 137,095,707,759.86
  5. Step 5: Solve for x
    x = 137,095,707,759.86/528,057.70
  6. Step 6: Final answer
    x = 259,622.59

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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.