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Finding the Fourth Proportional to 382,076.26, 572,326.80 and 223,824.94

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Solution

The fourth proportional to 382,076.26, 572,326.80 and 223,824.94 is: 335,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,076.26 : 572,326.80 = 223,824.94 : x
  2. Step 2: Convert to fraction form
    382,076.26/572,326.80 = 223,824.94/x
  3. Step 3: Cross multiply
    382,076.26x = 572,326.80 × 223,824.94
  4. Step 4: Simplify right side
    382,076.26x = 128,101,011,670.39
  5. Step 5: Solve for x
    x = 128,101,011,670.39/382,076.26
  6. Step 6: Final answer
    x = 335,276.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.