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Finding the Fourth Proportional to 482,741.92, 666,313 and 301,344.56

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Solution

The fourth proportional to 482,741.92, 666,313 and 301,344.56 is: 415,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,741.92 : 666,313 = 301,344.56 : x
  2. Step 2: Convert to fraction form
    482,741.92/666,313 = 301,344.56/x
  3. Step 3: Cross multiply
    482,741.92x = 666,313 × 301,344.56
  4. Step 4: Simplify right side
    482,741.92x = 200,789,797,807.28
  5. Step 5: Solve for x
    x = 200,789,797,807.28/482,741.92
  6. Step 6: Final answer
    x = 415,936.11

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1.5x scale

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.