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Finding the Fourth Proportional to 233,493.80, 349,722.30 and 202,389.80

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Solution

The fourth proportional to 233,493.80, 349,722.30 and 202,389.80 is: 303,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,493.80 : 349,722.30 = 202,389.80 : x
  2. Step 2: Convert to fraction form
    233,493.80/349,722.30 = 202,389.80/x
  3. Step 3: Cross multiply
    233,493.80x = 349,722.30 × 202,389.80
  4. Step 4: Simplify right side
    233,493.80x = 70,780,226,352.54
  5. Step 5: Solve for x
    x = 70,780,226,352.54/233,493.80
  6. Step 6: Final answer
    x = 303,135.36

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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.