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Finding the Fourth Proportional to 303,804.67, 419,250.45 and 176,488.47

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Solution

The fourth proportional to 303,804.67, 419,250.45 and 176,488.47 is: 243,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,804.67 : 419,250.45 = 176,488.47 : x
  2. Step 2: Convert to fraction form
    303,804.67/419,250.45 = 176,488.47/x
  3. Step 3: Cross multiply
    303,804.67x = 419,250.45 × 176,488.47
  4. Step 4: Simplify right side
    303,804.67x = 73,992,868,977.96
  5. Step 5: Solve for x
    x = 73,992,868,977.96/303,804.67
  6. Step 6: Final answer
    x = 243,554.08

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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.