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Finding the Fourth Proportional to 316,293.54, 474,626.07 and 116,629.49

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Solution

The fourth proportional to 316,293.54, 474,626.07 and 116,629.49 is: 175,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,293.54 : 474,626.07 = 116,629.49 : x
  2. Step 2: Convert to fraction form
    316,293.54/474,626.07 = 116,629.49/x
  3. Step 3: Cross multiply
    316,293.54x = 474,626.07 × 116,629.49
  4. Step 4: Simplify right side
    316,293.54x = 55,355,394,111.67
  5. Step 5: Solve for x
    x = 55,355,394,111.67/316,293.54
  6. Step 6: Final answer
    x = 175,012.72

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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.