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Finding the Fourth Proportional to 352,208.92, 528,083.60 and 231,901.70

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Solution

The fourth proportional to 352,208.92, 528,083.60 and 231,901.70 is: 347,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,208.92 : 528,083.60 = 231,901.70 : x
  2. Step 2: Convert to fraction form
    352,208.92/528,083.60 = 231,901.70/x
  3. Step 3: Cross multiply
    352,208.92x = 528,083.60 × 231,901.70
  4. Step 4: Simplify right side
    352,208.92x = 122,463,484,582.12
  5. Step 5: Solve for x
    x = 122,463,484,582.12/352,208.92
  6. Step 6: Final answer
    x = 347,701.26

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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.