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Finding the Fourth Proportional to 483,215.93, 667,171.59 and 302,009.31

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Solution

The fourth proportional to 483,215.93, 667,171.59 and 302,009.31 is: 416,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,215.93 : 667,171.59 = 302,009.31 : x
  2. Step 2: Convert to fraction form
    483,215.93/667,171.59 = 302,009.31/x
  3. Step 3: Cross multiply
    483,215.93x = 667,171.59 × 302,009.31
  4. Step 4: Simplify right side
    483,215.93x = 201,492,030,414.97
  5. Step 5: Solve for x
    x = 201,492,030,414.97/483,215.93
  6. Step 6: Final answer
    x = 416,981.35

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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.