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Finding the Fourth Proportional to 329,907.87, 455,272.92 and 186,665.04

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Solution

The fourth proportional to 329,907.87, 455,272.92 and 186,665.04 is: 257,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,907.87 : 455,272.92 = 186,665.04 : x
  2. Step 2: Convert to fraction form
    329,907.87/455,272.92 = 186,665.04/x
  3. Step 3: Cross multiply
    329,907.87x = 455,272.92 × 186,665.04
  4. Step 4: Simplify right side
    329,907.87x = 84,983,537,822.72
  5. Step 5: Solve for x
    x = 84,983,537,822.72/329,907.87
  6. Step 6: Final answer
    x = 257,597.79

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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.