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Finding the Fourth Proportional to 333,694.08, 500,436.54 and 109,003.32

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Solution

The fourth proportional to 333,694.08, 500,436.54 and 109,003.32 is: 163,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,694.08 : 500,436.54 = 109,003.32 : x
  2. Step 2: Convert to fraction form
    333,694.08/500,436.54 = 109,003.32/x
  3. Step 3: Cross multiply
    333,694.08x = 500,436.54 × 109,003.32
  4. Step 4: Simplify right side
    333,694.08x = 54,549,244,309.31
  5. Step 5: Solve for x
    x = 54,549,244,309.31/333,694.08
  6. Step 6: Final answer
    x = 163,470.82

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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.