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Finding the Fourth Proportional to 323,802.34, 485,409.46 and 113,325.46

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Solution

The fourth proportional to 323,802.34, 485,409.46 and 113,325.46 is: 169,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,802.34 : 485,409.46 = 113,325.46 : x
  2. Step 2: Convert to fraction form
    323,802.34/485,409.46 = 113,325.46/x
  3. Step 3: Cross multiply
    323,802.34x = 485,409.46 × 113,325.46
  4. Step 4: Simplify right side
    323,802.34x = 55,009,247,632.49
  5. Step 5: Solve for x
    x = 55,009,247,632.49/323,802.34
  6. Step 6: Final answer
    x = 169,885.27

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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.