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Finding the Fourth Proportional to 483,637.89, 667,213.05 and 302,034.54

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Solution

The fourth proportional to 483,637.89, 667,213.05 and 302,034.54 is: 416,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,637.89 : 667,213.05 = 302,034.54 : x
  2. Step 2: Convert to fraction form
    483,637.89/667,213.05 = 302,034.54/x
  3. Step 3: Cross multiply
    483,637.89x = 667,213.05 × 302,034.54
  4. Step 4: Simplify right side
    483,637.89x = 201,521,386,638.75
  5. Step 5: Solve for x
    x = 201,521,386,638.75/483,637.89
  6. Step 6: Final answer
    x = 416,678.24

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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.