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Finding the Fourth Proportional to 435,722.26, 653,505.63 and 115,875.94

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Solution

The fourth proportional to 435,722.26, 653,505.63 and 115,875.94 is: 173,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,722.26 : 653,505.63 = 115,875.94 : x
  2. Step 2: Convert to fraction form
    435,722.26/653,505.63 = 115,875.94/x
  3. Step 3: Cross multiply
    435,722.26x = 653,505.63 × 115,875.94
  4. Step 4: Simplify right side
    435,722.26x = 75,725,579,171.54
  5. Step 5: Solve for x
    x = 75,725,579,171.54/435,722.26
  6. Step 6: Final answer
    x = 173,793.23

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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.