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Finding the Fourth Proportional to 404,713.17, 607,072.20 and 180,020.79

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Solution

The fourth proportional to 404,713.17, 607,072.20 and 180,020.79 is: 270,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,713.17 : 607,072.20 = 180,020.79 : x
  2. Step 2: Convert to fraction form
    404,713.17/607,072.20 = 180,020.79/x
  3. Step 3: Cross multiply
    404,713.17x = 607,072.20 × 180,020.79
  4. Step 4: Simplify right side
    404,713.17x = 109,285,617,031.04
  5. Step 5: Solve for x
    x = 109,285,617,031.04/404,713.17
  6. Step 6: Final answer
    x = 270,032.27

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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.