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Finding the Fourth Proportional to 366,966.56, 550,390.80 and 100,665.29

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Solution

The fourth proportional to 366,966.56, 550,390.80 and 100,665.29 is: 150,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,966.56 : 550,390.80 = 100,665.29 : x
  2. Step 2: Convert to fraction form
    366,966.56/550,390.80 = 100,665.29/x
  3. Step 3: Cross multiply
    366,966.56x = 550,390.80 × 100,665.29
  4. Step 4: Simplify right side
    366,966.56x = 55,405,249,495.33
  5. Step 5: Solve for x
    x = 55,405,249,495.33/366,966.56
  6. Step 6: Final answer
    x = 150,981.74

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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.