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Finding the Fourth Proportional to 345,470.35, 476,531.01 and 237,853.54

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Solution

The fourth proportional to 345,470.35, 476,531.01 and 237,853.54 is: 328,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,470.35 : 476,531.01 = 237,853.54 : x
  2. Step 2: Convert to fraction form
    345,470.35/476,531.01 = 237,853.54/x
  3. Step 3: Cross multiply
    345,470.35x = 476,531.01 × 237,853.54
  4. Step 4: Simplify right side
    345,470.35x = 113,344,587,648.28
  5. Step 5: Solve for x
    x = 113,344,587,648.28/345,470.35
  6. Step 6: Final answer
    x = 328,087.74

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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.