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Finding the Fourth Proportional to 371,601.62, 557,394.31 and 118,881.35

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Solution

The fourth proportional to 371,601.62, 557,394.31 and 118,881.35 is: 178,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,601.62 : 557,394.31 = 118,881.35 : x
  2. Step 2: Convert to fraction form
    371,601.62/557,394.31 = 118,881.35/x
  3. Step 3: Cross multiply
    371,601.62x = 557,394.31 × 118,881.35
  4. Step 4: Simplify right side
    371,601.62x = 66,263,784,673.74
  5. Step 5: Solve for x
    x = 66,263,784,673.74/371,601.62
  6. Step 6: Final answer
    x = 178,319.42

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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.