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Finding the Fourth Proportional to 321,856.20, 483,102.10 and 241,615.17

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Solution

The fourth proportional to 321,856.20, 483,102.10 and 241,615.17 is: 362,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,856.20 : 483,102.10 = 241,615.17 : x
  2. Step 2: Convert to fraction form
    321,856.20/483,102.10 = 241,615.17/x
  3. Step 3: Cross multiply
    321,856.20x = 483,102.10 × 241,615.17
  4. Step 4: Simplify right side
    321,856.20x = 116,724,796,018.86
  5. Step 5: Solve for x
    x = 116,724,796,018.86/321,856.20
  6. Step 6: Final answer
    x = 362,661.33

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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.