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Finding the Fourth Proportional to 382,029.80, 573,656.70 and 303,794.60

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Solution

The fourth proportional to 382,029.80, 573,656.70 and 303,794.60 is: 456,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,029.80 : 573,656.70 = 303,794.60 : x
  2. Step 2: Convert to fraction form
    382,029.80/573,656.70 = 303,794.60/x
  3. Step 3: Cross multiply
    382,029.80x = 573,656.70 × 303,794.60
  4. Step 4: Simplify right side
    382,029.80x = 174,273,807,713.82
  5. Step 5: Solve for x
    x = 174,273,807,713.82/382,029.80
  6. Step 6: Final answer
    x = 456,178.57

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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.