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Finding the Fourth Proportional to 452,531.53, 678,796.75 and 115,572.48

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Solution

The fourth proportional to 452,531.53, 678,796.75 and 115,572.48 is: 173,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,531.53 : 678,796.75 = 115,572.48 : x
  2. Step 2: Convert to fraction form
    452,531.53/678,796.75 = 115,572.48/x
  3. Step 3: Cross multiply
    452,531.53x = 678,796.75 × 115,572.48
  4. Step 4: Simplify right side
    452,531.53x = 78,450,223,813.44
  5. Step 5: Solve for x
    x = 78,450,223,813.44/452,531.53
  6. Step 6: Final answer
    x = 173,358.58

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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.