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Finding the Fourth Proportional to 484,593.80, 727,581.90 and 367,089.80

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Solution

The fourth proportional to 484,593.80, 727,581.90 and 367,089.80 is: 551,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,593.80 : 727,581.90 = 367,089.80 : x
  2. Step 2: Convert to fraction form
    484,593.80/727,581.90 = 367,089.80/x
  3. Step 3: Cross multiply
    484,593.80x = 727,581.90 × 367,089.80
  4. Step 4: Simplify right side
    484,593.80x = 267,087,894,154.62
  5. Step 5: Solve for x
    x = 267,087,894,154.62/484,593.80
  6. Step 6: Final answer
    x = 551,158.30

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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.