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Finding the Fourth Proportional to 332,092.80, 459,172.80 and 290,102.40

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Solution

The fourth proportional to 332,092.80, 459,172.80 and 290,102.40 is: 401,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,092.80 : 459,172.80 = 290,102.40 : x
  2. Step 2: Convert to fraction form
    332,092.80/459,172.80 = 290,102.40/x
  3. Step 3: Cross multiply
    332,092.80x = 459,172.80 × 290,102.40
  4. Step 4: Simplify right side
    332,092.80x = 133,207,131,294.72
  5. Step 5: Solve for x
    x = 133,207,131,294.72/332,092.80
  6. Step 6: Final answer
    x = 401,114.18

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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.