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Finding the Fourth Proportional to 404,239.65, 606,361.29 and 104,698.95

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Solution

The fourth proportional to 404,239.65, 606,361.29 and 104,698.95 is: 157,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,239.65 : 606,361.29 = 104,698.95 : x
  2. Step 2: Convert to fraction form
    404,239.65/606,361.29 = 104,698.95/x
  3. Step 3: Cross multiply
    404,239.65x = 606,361.29 × 104,698.95
  4. Step 4: Simplify right side
    404,239.65x = 63,485,390,383.65
  5. Step 5: Solve for x
    x = 63,485,390,383.65/404,239.65
  6. Step 6: Final answer
    x = 157,048.90

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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.