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Finding the Fourth Proportional to 329,234.57, 493,852.09 and 92,577.28

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Solution

The fourth proportional to 329,234.57, 493,852.09 and 92,577.28 is: 138,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,234.57 : 493,852.09 = 92,577.28 : x
  2. Step 2: Convert to fraction form
    329,234.57/493,852.09 = 92,577.28/x
  3. Step 3: Cross multiply
    329,234.57x = 493,852.09 × 92,577.28
  4. Step 4: Simplify right side
    329,234.57x = 45,719,482,848.00
  5. Step 5: Solve for x
    x = 45,719,482,848.00/329,234.57
  6. Step 6: Final answer
    x = 138,865.98

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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.