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Finding the Fourth Proportional to 366,686.44, 550,030.10 and 100,449.24

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Solution

The fourth proportional to 366,686.44, 550,030.10 and 100,449.24 is: 150,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,686.44 : 550,030.10 = 100,449.24 : x
  2. Step 2: Convert to fraction form
    366,686.44/550,030.10 = 100,449.24/x
  3. Step 3: Cross multiply
    366,686.44x = 550,030.10 × 100,449.24
  4. Step 4: Simplify right side
    366,686.44x = 55,250,105,522.12
  5. Step 5: Solve for x
    x = 55,250,105,522.12/366,686.44
  6. Step 6: Final answer
    x = 150,673.98

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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.