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Finding the Fourth Proportional to 488,632.11, 732,768.42 and 168,702.72

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Solution

The fourth proportional to 488,632.11, 732,768.42 and 168,702.72 is: 252,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,632.11 : 732,768.42 = 168,702.72 : x
  2. Step 2: Convert to fraction form
    488,632.11/732,768.42 = 168,702.72/x
  3. Step 3: Cross multiply
    488,632.11x = 732,768.42 × 168,702.72
  4. Step 4: Simplify right side
    488,632.11x = 123,620,025,584.10
  5. Step 5: Solve for x
    x = 123,620,025,584.10/488,632.11
  6. Step 6: Final answer
    x = 252,992.02

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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.