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Finding the Fourth Proportional to 336,426.80, 504,637.79 and 123,209.33

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Solution

The fourth proportional to 336,426.80, 504,637.79 and 123,209.33 is: 184,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,426.80 : 504,637.79 = 123,209.33 : x
  2. Step 2: Convert to fraction form
    336,426.80/504,637.79 = 123,209.33/x
  3. Step 3: Cross multiply
    336,426.80x = 504,637.79 × 123,209.33
  4. Step 4: Simplify right side
    336,426.80x = 62,176,080,859.35
  5. Step 5: Solve for x
    x = 62,176,080,859.35/336,426.80
  6. Step 6: Final answer
    x = 184,813.11

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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.