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Finding the Fourth Proportional to 517,104.36, 775,673.50 and 143,096.04

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Solution

The fourth proportional to 517,104.36, 775,673.50 and 143,096.04 is: 214,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,104.36 : 775,673.50 = 143,096.04 : x
  2. Step 2: Convert to fraction form
    517,104.36/775,673.50 = 143,096.04/x
  3. Step 3: Cross multiply
    517,104.36x = 775,673.50 × 143,096.04
  4. Step 4: Simplify right side
    517,104.36x = 110,995,806,182.94
  5. Step 5: Solve for x
    x = 110,995,806,182.94/517,104.36
  6. Step 6: Final answer
    x = 214,648.75

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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.