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Finding the Fourth Proportional to 325,561.01, 488,508.23 and 154,975.77

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Solution

The fourth proportional to 325,561.01, 488,508.23 and 154,975.77 is: 232,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,561.01 : 488,508.23 = 154,975.77 : x
  2. Step 2: Convert to fraction form
    325,561.01/488,508.23 = 154,975.77/x
  3. Step 3: Cross multiply
    325,561.01x = 488,508.23 × 154,975.77
  4. Step 4: Simplify right side
    325,561.01x = 75,706,940,743.25
  5. Step 5: Solve for x
    x = 75,706,940,743.25/325,561.01
  6. Step 6: Final answer
    x = 232,543.02

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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.