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Finding the Fourth Proportional to 329,054, 493,581.07 and 118,691.92

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Solution

The fourth proportional to 329,054, 493,581.07 and 118,691.92 is: 178,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,054 : 493,581.07 = 118,691.92 : x
  2. Step 2: Convert to fraction form
    329,054/493,581.07 = 118,691.92/x
  3. Step 3: Cross multiply
    329,054x = 493,581.07 × 118,691.92
  4. Step 4: Simplify right side
    329,054x = 58,584,082,406.05
  5. Step 5: Solve for x
    x = 58,584,082,406.05/329,054
  6. Step 6: Final answer
    x = 178,037.90

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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.