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Finding the Fourth Proportional to 367,660.40, 551,490.60 and 329,606.60

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Solution

The fourth proportional to 367,660.40, 551,490.60 and 329,606.60 is: 494,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,660.40 : 551,490.60 = 329,606.60 : x
  2. Step 2: Convert to fraction form
    367,660.40/551,490.60 = 329,606.60/x
  3. Step 3: Cross multiply
    367,660.40x = 551,490.60 × 329,606.60
  4. Step 4: Simplify right side
    367,660.40x = 181,774,941,597.96
  5. Step 5: Solve for x
    x = 181,774,941,597.96/367,660.40
  6. Step 6: Final answer
    x = 494,409.90

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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.