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Finding the Fourth Proportional to 366,898.80, 550,348.20 and 317,035.20

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Solution

The fourth proportional to 366,898.80, 550,348.20 and 317,035.20 is: 475,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,898.80 : 550,348.20 = 317,035.20 : x
  2. Step 2: Convert to fraction form
    366,898.80/550,348.20 = 317,035.20/x
  3. Step 3: Cross multiply
    366,898.80x = 550,348.20 × 317,035.20
  4. Step 4: Simplify right side
    366,898.80x = 174,479,751,656.64
  5. Step 5: Solve for x
    x = 174,479,751,656.64/366,898.80
  6. Step 6: Final answer
    x = 475,552.80

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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.