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Finding the Fourth Proportional to 367,593.60, 551,390.40 and 338,563.20

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Solution

The fourth proportional to 367,593.60, 551,390.40 and 338,563.20 is: 507,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,593.60 : 551,390.40 = 338,563.20 : x
  2. Step 2: Convert to fraction form
    367,593.60/551,390.40 = 338,563.20/x
  3. Step 3: Cross multiply
    367,593.60x = 551,390.40 × 338,563.20
  4. Step 4: Simplify right side
    367,593.60x = 186,680,498,273.28
  5. Step 5: Solve for x
    x = 186,680,498,273.28/367,593.60
  6. Step 6: Final answer
    x = 507,844.80

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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.