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Finding the Fourth Proportional to 666,325.52, 919,550.95 and 364,519.52

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Solution

The fourth proportional to 666,325.52, 919,550.95 and 364,519.52 is: 503,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,325.52 : 919,550.95 = 364,519.52 : x
  2. Step 2: Convert to fraction form
    666,325.52/919,550.95 = 364,519.52/x
  3. Step 3: Cross multiply
    666,325.52x = 919,550.95 × 364,519.52
  4. Step 4: Simplify right side
    666,325.52x = 335,194,270,909.54
  5. Step 5: Solve for x
    x = 335,194,270,909.54/666,325.52
  6. Step 6: Final answer
    x = 503,048.83

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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.