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Finding the Fourth Proportional to 404,343.22, 606,411.03 and 119,966.49

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Solution

The fourth proportional to 404,343.22, 606,411.03 and 119,966.49 is: 179,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,343.22 : 606,411.03 = 119,966.49 : x
  2. Step 2: Convert to fraction form
    404,343.22/606,411.03 = 119,966.49/x
  3. Step 3: Cross multiply
    404,343.22x = 606,411.03 × 119,966.49
  4. Step 4: Simplify right side
    404,343.22x = 72,749,003,507.71
  5. Step 5: Solve for x
    x = 72,749,003,507.71/404,343.22
  6. Step 6: Final answer
    x = 179,918.94

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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.