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Finding the Fourth Proportional to 329,165.46, 493,765.14 and 104,543.40

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Solution

The fourth proportional to 329,165.46, 493,765.14 and 104,543.40 is: 156,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,165.46 : 493,765.14 = 104,543.40 : x
  2. Step 2: Convert to fraction form
    329,165.46/493,765.14 = 104,543.40/x
  3. Step 3: Cross multiply
    329,165.46x = 493,765.14 × 104,543.40
  4. Step 4: Simplify right side
    329,165.46x = 51,619,886,537.08
  5. Step 5: Solve for x
    x = 51,619,886,537.08/329,165.46
  6. Step 6: Final answer
    x = 156,820.48

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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.