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Finding the Fourth Proportional to 366,905.35, 550,358.03 and 340,333.30

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Solution

The fourth proportional to 366,905.35, 550,358.03 and 340,333.30 is: 510,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,905.35 : 550,358.03 = 340,333.30 : x
  2. Step 2: Convert to fraction form
    366,905.35/550,358.03 = 340,333.30/x
  3. Step 3: Cross multiply
    366,905.35x = 550,358.03 × 340,333.30
  4. Step 4: Simplify right side
    366,905.35x = 187,305,164,531.40
  5. Step 5: Solve for x
    x = 187,305,164,531.40/366,905.35
  6. Step 6: Final answer
    x = 510,499.95

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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.