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Finding the Fourth Proportional to 370,086.70, 554,255.59 and 180,676.78

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Solution

The fourth proportional to 370,086.70, 554,255.59 and 180,676.78 is: 270,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,086.70 : 554,255.59 = 180,676.78 : x
  2. Step 2: Convert to fraction form
    370,086.70/554,255.59 = 180,676.78/x
  3. Step 3: Cross multiply
    370,086.70x = 554,255.59 × 180,676.78
  4. Step 4: Simplify right side
    370,086.70x = 100,141,114,394.82
  5. Step 5: Solve for x
    x = 100,141,114,394.82/370,086.70
  6. Step 6: Final answer
    x = 270,588.26

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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.