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Finding the Fourth Proportional to 528,712.96, 793,194.24 and 173,728

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Solution

The fourth proportional to 528,712.96, 793,194.24 and 173,728 is: 260,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,712.96 : 793,194.24 = 173,728 : x
  2. Step 2: Convert to fraction form
    528,712.96/793,194.24 = 173,728/x
  3. Step 3: Cross multiply
    528,712.96x = 793,194.24 × 173,728
  4. Step 4: Simplify right side
    528,712.96x = 137,800,048,926.72
  5. Step 5: Solve for x
    x = 137,800,048,926.72/528,712.96
  6. Step 6: Final answer
    x = 260,633.01

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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.