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Finding the Fourth Proportional to 332,891.04, 459,391.20 and 181,988

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Solution

The fourth proportional to 332,891.04, 459,391.20 and 181,988 is: 251,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,891.04 : 459,391.20 = 181,988 : x
  2. Step 2: Convert to fraction form
    332,891.04/459,391.20 = 181,988/x
  3. Step 3: Cross multiply
    332,891.04x = 459,391.20 × 181,988
  4. Step 4: Simplify right side
    332,891.04x = 83,603,685,705.60
  5. Step 5: Solve for x
    x = 83,603,685,705.60/332,891.04
  6. Step 6: Final answer
    x = 251,144.30

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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.