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Finding the Fourth Proportional to 325,466.07, 488,223.69 and 100,849.17

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Solution

The fourth proportional to 325,466.07, 488,223.69 and 100,849.17 is: 151,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,466.07 : 488,223.69 = 100,849.17 : x
  2. Step 2: Convert to fraction form
    325,466.07/488,223.69 = 100,849.17/x
  3. Step 3: Cross multiply
    325,466.07x = 488,223.69 × 100,849.17
  4. Step 4: Simplify right side
    325,466.07x = 49,236,953,910.84
  5. Step 5: Solve for x
    x = 49,236,953,910.84/325,466.07
  6. Step 6: Final answer
    x = 151,281.37

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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.