Home / 349,629.33-482,075.79-239,301.21

Finding the Fourth Proportional to 349,629.33, 482,075.79 and 239,301.21

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Solution

The fourth proportional to 349,629.33, 482,075.79 and 239,301.21 is: 329,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,629.33 : 482,075.79 = 239,301.21 : x
  2. Step 2: Convert to fraction form
    349,629.33/482,075.79 = 239,301.21/x
  3. Step 3: Cross multiply
    349,629.33x = 482,075.79 × 239,301.21
  4. Step 4: Simplify right side
    349,629.33x = 115,361,319,858.71
  5. Step 5: Solve for x
    x = 115,361,319,858.71/349,629.33
  6. Step 6: Final answer
    x = 329,953.21

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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.