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Finding the Fourth Proportional to 367,582.80, 551,470.20 and 118,270.80

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Solution

The fourth proportional to 367,582.80, 551,470.20 and 118,270.80 is: 177,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,582.80 : 551,470.20 = 118,270.80 : x
  2. Step 2: Convert to fraction form
    367,582.80/551,470.20 = 118,270.80/x
  3. Step 3: Cross multiply
    367,582.80x = 551,470.20 × 118,270.80
  4. Step 4: Simplify right side
    367,582.80x = 65,222,821,730.16
  5. Step 5: Solve for x
    x = 65,222,821,730.16/367,582.80
  6. Step 6: Final answer
    x = 177,437.09

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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.