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Finding the Fourth Proportional to 329,907.10, 455,277.09 and 179,004.10

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Solution

The fourth proportional to 329,907.10, 455,277.09 and 179,004.10 is: 247,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,907.10 : 455,277.09 = 179,004.10 : x
  2. Step 2: Convert to fraction form
    329,907.10/455,277.09 = 179,004.10/x
  3. Step 3: Cross multiply
    329,907.10x = 455,277.09 × 179,004.10
  4. Step 4: Simplify right side
    329,907.10x = 81,496,465,746.07
  5. Step 5: Solve for x
    x = 81,496,465,746.07/329,907.10
  6. Step 6: Final answer
    x = 247,028.53

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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.