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Finding the Fourth Proportional to 303,866.64, 419,233.32 and 176,437.44

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Solution

The fourth proportional to 303,866.64, 419,233.32 and 176,437.44 is: 243,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,866.64 : 419,233.32 = 176,437.44 : x
  2. Step 2: Convert to fraction form
    303,866.64/419,233.32 = 176,437.44/x
  3. Step 3: Cross multiply
    303,866.64x = 419,233.32 × 176,437.44
  4. Step 4: Simplify right side
    303,866.64x = 73,968,453,743.50
  5. Step 5: Solve for x
    x = 73,968,453,743.50/303,866.64
  6. Step 6: Final answer
    x = 243,424.07

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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.