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Finding the Fourth Proportional to 482,119.58, 665,190.40 and 379,827.56

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Solution

The fourth proportional to 482,119.58, 665,190.40 and 379,827.56 is: 524,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,119.58 : 665,190.40 = 379,827.56 : x
  2. Step 2: Convert to fraction form
    482,119.58/665,190.40 = 379,827.56/x
  3. Step 3: Cross multiply
    482,119.58x = 665,190.40 × 379,827.56
  4. Step 4: Simplify right side
    482,119.58x = 252,657,646,567.42
  5. Step 5: Solve for x
    x = 252,657,646,567.42/482,119.58
  6. Step 6: Final answer
    x = 524,055.98

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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.