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Finding the Fourth Proportional to 366,980.48, 550,338.62 and 127,029.18

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Solution

The fourth proportional to 366,980.48, 550,338.62 and 127,029.18 is: 190,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980.48 : 550,338.62 = 127,029.18 : x
  2. Step 2: Convert to fraction form
    366,980.48/550,338.62 = 127,029.18/x
  3. Step 3: Cross multiply
    366,980.48x = 550,338.62 × 127,029.18
  4. Step 4: Simplify right side
    366,980.48x = 69,909,063,620.93
  5. Step 5: Solve for x
    x = 69,909,063,620.93/366,980.48
  6. Step 6: Final answer
    x = 190,498.04

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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.