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Finding the Fourth Proportional to 666,322.52, 919,546.81 and 364,516.52

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Solution

The fourth proportional to 666,322.52, 919,546.81 and 364,516.52 is: 503,044.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,322.52 : 919,546.81 = 364,516.52 : x
  2. Step 2: Convert to fraction form
    666,322.52/919,546.81 = 364,516.52/x
  3. Step 3: Cross multiply
    666,322.52x = 919,546.81 × 364,516.52
  4. Step 4: Simplify right side
    666,322.52x = 335,190,003,158.30
  5. Step 5: Solve for x
    x = 335,190,003,158.30/666,322.52
  6. Step 6: Final answer
    x = 503,044.69

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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.