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Finding the Fourth Proportional to 503,174.07, 755,111.03 and 325,239.75

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Solution

The fourth proportional to 503,174.07, 755,111.03 and 325,239.75 is: 488,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,174.07 : 755,111.03 = 325,239.75 : x
  2. Step 2: Convert to fraction form
    503,174.07/755,111.03 = 325,239.75/x
  3. Step 3: Cross multiply
    503,174.07x = 755,111.03 × 325,239.75
  4. Step 4: Simplify right side
    503,174.07x = 245,592,120,993.24
  5. Step 5: Solve for x
    x = 245,592,120,993.24/503,174.07
  6. Step 6: Final answer
    x = 488,085.80

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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.