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Finding the Fourth Proportional to 382,185.44, 573,508.56 and 133,042.40

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Solution

The fourth proportional to 382,185.44, 573,508.56 and 133,042.40 is: 199,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,185.44 : 573,508.56 = 133,042.40 : x
  2. Step 2: Convert to fraction form
    382,185.44/573,508.56 = 133,042.40/x
  3. Step 3: Cross multiply
    382,185.44x = 573,508.56 × 133,042.40
  4. Step 4: Simplify right side
    382,185.44x = 76,300,955,242.94
  5. Step 5: Solve for x
    x = 76,300,955,242.94/382,185.44
  6. Step 6: Final answer
    x = 199,643.80

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1.5x scale

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.