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Finding the Fourth Proportional to 666,372.39, 919,594.50 and 364,566.39

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Solution

The fourth proportional to 666,372.39, 919,594.50 and 364,566.39 is: 503,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,372.39 : 919,594.50 = 364,566.39 : x
  2. Step 2: Convert to fraction form
    666,372.39/919,594.50 = 364,566.39/x
  3. Step 3: Cross multiply
    666,372.39x = 919,594.50 × 364,566.39
  4. Step 4: Simplify right side
    666,372.39x = 335,253,247,128.86
  5. Step 5: Solve for x
    x = 335,253,247,128.86/666,372.39
  6. Step 6: Final answer
    x = 503,101.95

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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.