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Finding the Fourth Proportional to 435,256.76, 652,809.90 and 115,410.68

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Solution

The fourth proportional to 435,256.76, 652,809.90 and 115,410.68 is: 173,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,256.76 : 652,809.90 = 115,410.68 : x
  2. Step 2: Convert to fraction form
    435,256.76/652,809.90 = 115,410.68/x
  3. Step 3: Cross multiply
    435,256.76x = 652,809.90 × 115,410.68
  4. Step 4: Simplify right side
    435,256.76x = 75,341,234,469.73
  5. Step 5: Solve for x
    x = 75,341,234,469.73/435,256.76
  6. Step 6: Final answer
    x = 173,096.07

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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.