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Finding the Fourth Proportional to 666,337.52, 919,567.92 and 364,531.52

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Solution

The fourth proportional to 666,337.52, 919,567.92 and 364,531.52 is: 503,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,337.52 : 919,567.92 = 364,531.52 : x
  2. Step 2: Convert to fraction form
    666,337.52/919,567.92 = 364,531.52/x
  3. Step 3: Cross multiply
    666,337.52x = 919,567.92 × 364,531.52
  4. Step 4: Simplify right side
    666,337.52x = 335,211,491,620.84
  5. Step 5: Solve for x
    x = 335,211,491,620.84/666,337.52
  6. Step 6: Final answer
    x = 503,065.61

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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.