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Finding the Fourth Proportional to 441,486.60, 662,242.06 and 161,212.68

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Solution

The fourth proportional to 441,486.60, 662,242.06 and 161,212.68 is: 241,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,486.60 : 662,242.06 = 161,212.68 : x
  2. Step 2: Convert to fraction form
    441,486.60/662,242.06 = 161,212.68/x
  3. Step 3: Cross multiply
    441,486.60x = 662,242.06 × 161,212.68
  4. Step 4: Simplify right side
    441,486.60x = 106,761,817,301.32
  5. Step 5: Solve for x
    x = 106,761,817,301.32/441,486.60
  6. Step 6: Final answer
    x = 241,823.46

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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.