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Finding the Fourth Proportional to 382,637.20, 573,696.60 and 195,494.80

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Solution

The fourth proportional to 382,637.20, 573,696.60 and 195,494.80 is: 293,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,637.20 : 573,696.60 = 195,494.80 : x
  2. Step 2: Convert to fraction form
    382,637.20/573,696.60 = 195,494.80/x
  3. Step 3: Cross multiply
    382,637.20x = 573,696.60 × 195,494.80
  4. Step 4: Simplify right side
    382,637.20x = 112,154,702,077.68
  5. Step 5: Solve for x
    x = 112,154,702,077.68/382,637.20
  6. Step 6: Final answer
    x = 293,109.77

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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.