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Finding the Fourth Proportional to 404,546.71, 606,714.98 and 120,170.41

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Solution

The fourth proportional to 404,546.71, 606,714.98 and 120,170.41 is: 180,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,546.71 : 606,714.98 = 120,170.41 : x
  2. Step 2: Convert to fraction form
    404,546.71/606,714.98 = 120,170.41/x
  3. Step 3: Cross multiply
    404,546.71x = 606,714.98 × 120,170.41
  4. Step 4: Simplify right side
    404,546.71x = 72,909,189,420.19
  5. Step 5: Solve for x
    x = 72,909,189,420.19/404,546.71
  6. Step 6: Final answer
    x = 180,224.41

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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.