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Finding the Fourth Proportional to 374,960.80, 563,753.40 and 367,087.60

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Solution

The fourth proportional to 374,960.80, 563,753.40 and 367,087.60 is: 551,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,960.80 : 563,753.40 = 367,087.60 : x
  2. Step 2: Convert to fraction form
    374,960.80/563,753.40 = 367,087.60/x
  3. Step 3: Cross multiply
    374,960.80x = 563,753.40 × 367,087.60
  4. Step 4: Simplify right side
    374,960.80x = 206,946,882,597.84
  5. Step 5: Solve for x
    x = 206,946,882,597.84/374,960.80
  6. Step 6: Final answer
    x = 551,916.05

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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.