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Finding the Fourth Proportional to 532,099.40, 797,112.30 and 321,110.60

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Solution

The fourth proportional to 532,099.40, 797,112.30 and 321,110.60 is: 481,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,099.40 : 797,112.30 = 321,110.60 : x
  2. Step 2: Convert to fraction form
    532,099.40/797,112.30 = 321,110.60/x
  3. Step 3: Cross multiply
    532,099.40x = 797,112.30 × 321,110.60
  4. Step 4: Simplify right side
    532,099.40x = 255,961,208,920.38
  5. Step 5: Solve for x
    x = 255,961,208,920.38/532,099.40
  6. Step 6: Final answer
    x = 481,040.21

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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.