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Finding the Fourth Proportional to 325,691.05, 488,582.94 and 101,070.89

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Solution

The fourth proportional to 325,691.05, 488,582.94 and 101,070.89 is: 151,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,691.05 : 488,582.94 = 101,070.89 : x
  2. Step 2: Convert to fraction form
    325,691.05/488,582.94 = 101,070.89/x
  3. Step 3: Cross multiply
    325,691.05x = 488,582.94 × 101,070.89
  4. Step 4: Simplify right side
    325,691.05x = 49,381,512,584.62
  5. Step 5: Solve for x
    x = 49,381,512,584.62/325,691.05
  6. Step 6: Final answer
    x = 151,620.72

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1.5x scale

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.