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Finding the Fourth Proportional to 367,989.60, 551,206.80 and 367,989.60

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Solution

The fourth proportional to 367,989.60, 551,206.80 and 367,989.60 is: 551,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,989.60 : 551,206.80 = 367,989.60 : x
  2. Step 2: Convert to fraction form
    367,989.60/551,206.80 = 367,989.60/x
  3. Step 3: Cross multiply
    367,989.60x = 551,206.80 × 367,989.60
  4. Step 4: Simplify right side
    367,989.60x = 202,838,369,849.28
  5. Step 5: Solve for x
    x = 202,838,369,849.28/367,989.60
  6. Step 6: Final answer
    x = 551,206.80

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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.