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Finding the Fourth Proportional to 301,648.72, 452,531.36 and 114,645.64

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Solution

The fourth proportional to 301,648.72, 452,531.36 and 114,645.64 is: 171,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,648.72 : 452,531.36 = 114,645.64 : x
  2. Step 2: Convert to fraction form
    301,648.72/452,531.36 = 114,645.64/x
  3. Step 3: Cross multiply
    301,648.72x = 452,531.36 × 114,645.64
  4. Step 4: Simplify right side
    301,648.72x = 51,880,747,387.27
  5. Step 5: Solve for x
    x = 51,880,747,387.27/301,648.72
  6. Step 6: Final answer
    x = 171,990.61

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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.