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Finding the Fourth Proportional to 374,954.80, 563,744.40 and 367,081.60

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Solution

The fourth proportional to 374,954.80, 563,744.40 and 367,081.60 is: 551,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,954.80 : 563,744.40 = 367,081.60 : x
  2. Step 2: Convert to fraction form
    374,954.80/563,744.40 = 367,081.60/x
  3. Step 3: Cross multiply
    374,954.80x = 563,744.40 × 367,081.60
  4. Step 4: Simplify right side
    374,954.80x = 206,940,196,343.04
  5. Step 5: Solve for x
    x = 206,940,196,343.04/374,954.80
  6. Step 6: Final answer
    x = 551,907.05

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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.