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Finding the Fourth Proportional to 503,173.32, 755,109.90 and 325,239

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Solution

The fourth proportional to 503,173.32, 755,109.90 and 325,239 is: 488,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,173.32 : 755,109.90 = 325,239 : x
  2. Step 2: Convert to fraction form
    503,173.32/755,109.90 = 325,239/x
  3. Step 3: Cross multiply
    503,173.32x = 755,109.90 × 325,239
  4. Step 4: Simplify right side
    503,173.32x = 245,591,188,766.10
  5. Step 5: Solve for x
    x = 245,591,188,766.10/503,173.32
  6. Step 6: Final answer
    x = 488,084.68

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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.