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Finding the Fourth Proportional to 528,055.70, 792,076.35 and 173,081.30

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Solution

The fourth proportional to 528,055.70, 792,076.35 and 173,081.30 is: 259,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,055.70 : 792,076.35 = 173,081.30 : x
  2. Step 2: Convert to fraction form
    528,055.70/792,076.35 = 173,081.30/x
  3. Step 3: Cross multiply
    528,055.70x = 792,076.35 × 173,081.30
  4. Step 4: Simplify right side
    528,055.70x = 137,093,604,357.26
  5. Step 5: Solve for x
    x = 137,093,604,357.26/528,055.70
  6. Step 6: Final answer
    x = 259,619.59

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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.