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Finding the Fourth Proportional to 366,961.03, 550,441.55 and 247,386.80

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Solution

The fourth proportional to 366,961.03, 550,441.55 and 247,386.80 is: 371,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.03 : 550,441.55 = 247,386.80 : x
  2. Step 2: Convert to fraction form
    366,961.03/550,441.55 = 247,386.80/x
  3. Step 3: Cross multiply
    366,961.03x = 550,441.55 × 247,386.80
  4. Step 4: Simplify right side
    366,961.03x = 136,171,973,641.54
  5. Step 5: Solve for x
    x = 136,171,973,641.54/366,961.03
  6. Step 6: Final answer
    x = 371,080.20

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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.