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Finding the Fourth Proportional to 330,292.82, 455,806.42 and 179,389.82

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Solution

The fourth proportional to 330,292.82, 455,806.42 and 179,389.82 is: 247,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,292.82 : 455,806.42 = 179,389.82 : x
  2. Step 2: Convert to fraction form
    330,292.82/455,806.42 = 179,389.82/x
  3. Step 3: Cross multiply
    330,292.82x = 455,806.42 × 179,389.82
  4. Step 4: Simplify right side
    330,292.82x = 81,767,031,638.64
  5. Step 5: Solve for x
    x = 81,767,031,638.64/330,292.82
  6. Step 6: Final answer
    x = 247,559.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.