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Finding the Fourth Proportional to 275,566.06, 380,260.13 and 154,684.00

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Solution

The fourth proportional to 275,566.06, 380,260.13 and 154,684.00 is: 213,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,566.06 : 380,260.13 = 154,684.00 : x
  2. Step 2: Convert to fraction form
    275,566.06/380,260.13 = 154,684.00/x
  3. Step 3: Cross multiply
    275,566.06x = 380,260.13 × 154,684.00
  4. Step 4: Simplify right side
    275,566.06x = 58,820,155,274.20
  5. Step 5: Solve for x
    x = 58,820,155,274.20/275,566.06
  6. Step 6: Final answer
    x = 213,452.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.