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Finding the Fourth Proportional to 366,930.80, 550,396.20 and 334,271.60

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Solution

The fourth proportional to 366,930.80, 550,396.20 and 334,271.60 is: 501,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,930.80 : 550,396.20 = 334,271.60 : x
  2. Step 2: Convert to fraction form
    366,930.80/550,396.20 = 334,271.60/x
  3. Step 3: Cross multiply
    366,930.80x = 550,396.20 × 334,271.60
  4. Step 4: Simplify right side
    366,930.80x = 183,981,818,407.92
  5. Step 5: Solve for x
    x = 183,981,818,407.92/366,930.80
  6. Step 6: Final answer
    x = 501,407.40

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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.