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Finding the Fourth Proportional to 367,026.30, 550,409.85 and 130,376.70

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Solution

The fourth proportional to 367,026.30, 550,409.85 and 130,376.70 is: 195,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,026.30 : 550,409.85 = 130,376.70 : x
  2. Step 2: Convert to fraction form
    367,026.30/550,409.85 = 130,376.70/x
  3. Step 3: Cross multiply
    367,026.30x = 550,409.85 × 130,376.70
  4. Step 4: Simplify right side
    367,026.30x = 71,760,619,890.50
  5. Step 5: Solve for x
    x = 71,760,619,890.50/367,026.30
  6. Step 6: Final answer
    x = 195,519.01

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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.