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Finding the Fourth Proportional to 303,752.25, 419,201.01 and 174,730.17

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Solution

The fourth proportional to 303,752.25, 419,201.01 and 174,730.17 is: 241,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,752.25 : 419,201.01 = 174,730.17 : x
  2. Step 2: Convert to fraction form
    303,752.25/419,201.01 = 174,730.17/x
  3. Step 3: Cross multiply
    303,752.25x = 419,201.01 × 174,730.17
  4. Step 4: Simplify right side
    303,752.25x = 73,247,063,741.47
  5. Step 5: Solve for x
    x = 73,247,063,741.47/303,752.25
  6. Step 6: Final answer
    x = 241,140.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.