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Finding the Fourth Proportional to 606,991.80, 910,609.20 and 180,526.80

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Solution

The fourth proportional to 606,991.80, 910,609.20 and 180,526.80 is: 270,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,991.80 : 910,609.20 = 180,526.80 : x
  2. Step 2: Convert to fraction form
    606,991.80/910,609.20 = 180,526.80/x
  3. Step 3: Cross multiply
    606,991.80x = 910,609.20 × 180,526.80
  4. Step 4: Simplify right side
    606,991.80x = 164,389,364,926.56
  5. Step 5: Solve for x
    x = 164,389,364,926.56/606,991.80
  6. Step 6: Final answer
    x = 270,826.34

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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.