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Finding the Fourth Proportional to 335,467.38, 503,434.38 and 216,844.50

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Solution

The fourth proportional to 335,467.38, 503,434.38 and 216,844.50 is: 325,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,467.38 : 503,434.38 = 216,844.50 : x
  2. Step 2: Convert to fraction form
    335,467.38/503,434.38 = 216,844.50/x
  3. Step 3: Cross multiply
    335,467.38x = 503,434.38 × 216,844.50
  4. Step 4: Simplify right side
    335,467.38x = 109,166,976,413.91
  5. Step 5: Solve for x
    x = 109,166,976,413.91/335,467.38
  6. Step 6: Final answer
    x = 325,417.56

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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.