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Finding the Fourth Proportional to 329,966.64, 455,353.95 and 179,063.64

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Solution

The fourth proportional to 329,966.64, 455,353.95 and 179,063.64 is: 247,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,966.64 : 455,353.95 = 179,063.64 : x
  2. Step 2: Convert to fraction form
    329,966.64/455,353.95 = 179,063.64/x
  3. Step 3: Cross multiply
    329,966.64x = 455,353.95 × 179,063.64
  4. Step 4: Simplify right side
    329,966.64x = 81,537,335,775.38
  5. Step 5: Solve for x
    x = 81,537,335,775.38/329,966.64
  6. Step 6: Final answer
    x = 247,107.82

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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.