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Finding the Fourth Proportional to 528,958.08, 793,398.72 and 173,968

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Solution

The fourth proportional to 528,958.08, 793,398.72 and 173,968 is: 260,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,958.08 : 793,398.72 = 173,968 : x
  2. Step 2: Convert to fraction form
    528,958.08/793,398.72 = 173,968/x
  3. Step 3: Cross multiply
    528,958.08x = 793,398.72 × 173,968
  4. Step 4: Simplify right side
    528,958.08x = 138,025,988,520.96
  5. Step 5: Solve for x
    x = 138,025,988,520.96/528,958.08
  6. Step 6: Final answer
    x = 260,939.37

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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.