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Finding the Fourth Proportional to 484,580.80, 727,562.40 and 367,076.80

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Solution

The fourth proportional to 484,580.80, 727,562.40 and 367,076.80 is: 551,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,580.80 : 727,562.40 = 367,076.80 : x
  2. Step 2: Convert to fraction form
    484,580.80/727,562.40 = 367,076.80/x
  3. Step 3: Cross multiply
    484,580.80x = 727,562.40 × 367,076.80
  4. Step 4: Simplify right side
    484,580.80x = 267,071,277,592.32
  5. Step 5: Solve for x
    x = 267,071,277,592.32/484,580.80
  6. Step 6: Final answer
    x = 551,138.79

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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.