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Finding the Fourth Proportional to 666,342.52, 919,574.82 and 364,536.52

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Solution

The fourth proportional to 666,342.52, 919,574.82 and 364,536.52 is: 503,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,342.52 : 919,574.82 = 364,536.52 : x
  2. Step 2: Convert to fraction form
    666,342.52/919,574.82 = 364,536.52/x
  3. Step 3: Cross multiply
    666,342.52x = 919,574.82 × 364,536.52
  4. Step 4: Simplify right side
    666,342.52x = 335,218,604,762.43
  5. Step 5: Solve for x
    x = 335,218,604,762.43/666,342.52
  6. Step 6: Final answer
    x = 503,072.51

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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.