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Finding the Fourth Proportional to 366,946.30, 550,289.85 and 130,296.70

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Solution

The fourth proportional to 366,946.30, 550,289.85 and 130,296.70 is: 195,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,946.30 : 550,289.85 = 130,296.70 : x
  2. Step 2: Convert to fraction form
    366,946.30/550,289.85 = 130,296.70/x
  3. Step 3: Cross multiply
    366,946.30x = 550,289.85 × 130,296.70
  4. Step 4: Simplify right side
    366,946.30x = 71,700,951,498.50
  5. Step 5: Solve for x
    x = 71,700,951,498.50/366,946.30
  6. Step 6: Final answer
    x = 195,399.03

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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.