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Finding the Fourth Proportional to 373,677.70, 560,407.20 and 133,763.80

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Solution

The fourth proportional to 373,677.70, 560,407.20 and 133,763.80 is: 200,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,677.70 : 560,407.20 = 133,763.80 : x
  2. Step 2: Convert to fraction form
    373,677.70/560,407.20 = 133,763.80/x
  3. Step 3: Cross multiply
    373,677.70x = 560,407.20 × 133,763.80
  4. Step 4: Simplify right side
    373,677.70x = 74,962,196,619.36
  5. Step 5: Solve for x
    x = 74,962,196,619.36/373,677.70
  6. Step 6: Final answer
    x = 200,606.56

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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.