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Finding the Fourth Proportional to 325,670.30, 488,575.11 and 101,025.86

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Solution

The fourth proportional to 325,670.30, 488,575.11 and 101,025.86 is: 151,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,670.30 : 488,575.11 = 101,025.86 : x
  2. Step 2: Convert to fraction form
    325,670.30/488,575.11 = 101,025.86/x
  3. Step 3: Cross multiply
    325,670.30x = 488,575.11 × 101,025.86
  4. Step 4: Simplify right side
    325,670.30x = 49,358,720,662.34
  5. Step 5: Solve for x
    x = 49,358,720,662.34/325,670.30
  6. Step 6: Final answer
    x = 151,560.40

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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.