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Finding the Fourth Proportional to 366,981.70, 550,340.44 and 127,030.41

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Solution

The fourth proportional to 366,981.70, 550,340.44 and 127,030.41 is: 190,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,981.70 : 550,340.44 = 127,030.41 : x
  2. Step 2: Convert to fraction form
    366,981.70/550,340.44 = 127,030.41/x
  3. Step 3: Cross multiply
    366,981.70x = 550,340.44 × 127,030.41
  4. Step 4: Simplify right side
    366,981.70x = 69,909,968,345.93
  5. Step 5: Solve for x
    x = 69,909,968,345.93/366,981.70
  6. Step 6: Final answer
    x = 190,499.88

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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.