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Finding the Fourth Proportional to 556,360.20, 834,540.30 and 366,911.33

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Solution

The fourth proportional to 556,360.20, 834,540.30 and 366,911.33 is: 550,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,360.20 : 834,540.30 = 366,911.33 : x
  2. Step 2: Convert to fraction form
    556,360.20/834,540.30 = 366,911.33/x
  3. Step 3: Cross multiply
    556,360.20x = 834,540.30 × 366,911.33
  4. Step 4: Simplify right side
    556,360.20x = 306,202,287,238.90
  5. Step 5: Solve for x
    x = 306,202,287,238.90/556,360.20
  6. Step 6: Final answer
    x = 550,366.99

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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.