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Finding the Fourth Proportional to 329,276.58, 493,857.30 and 92,563.02

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Solution

The fourth proportional to 329,276.58, 493,857.30 and 92,563.02 is: 138,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,276.58 : 493,857.30 = 92,563.02 : x
  2. Step 2: Convert to fraction form
    329,276.58/493,857.30 = 92,563.02/x
  3. Step 3: Cross multiply
    329,276.58x = 493,857.30 × 92,563.02
  4. Step 4: Simplify right side
    329,276.58x = 45,712,923,137.05
  5. Step 5: Solve for x
    x = 45,712,923,137.05/329,276.58
  6. Step 6: Final answer
    x = 138,828.35

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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.