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Finding the Fourth Proportional to 352,236.96, 528,372.72 and 141,846.48

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Solution

The fourth proportional to 352,236.96, 528,372.72 and 141,846.48 is: 212,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,236.96 : 528,372.72 = 141,846.48 : x
  2. Step 2: Convert to fraction form
    352,236.96/528,372.72 = 141,846.48/x
  3. Step 3: Cross multiply
    352,236.96x = 528,372.72 × 141,846.48
  4. Step 4: Simplify right side
    352,236.96x = 74,947,810,460.03
  5. Step 5: Solve for x
    x = 74,947,810,460.03/352,236.96
  6. Step 6: Final answer
    x = 212,776.68

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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.