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Finding the Fourth Proportional to 368,256.92, 552,385.42 and 115,576.40

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Solution

The fourth proportional to 368,256.92, 552,385.42 and 115,576.40 is: 173,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,256.92 : 552,385.42 = 115,576.40 : x
  2. Step 2: Convert to fraction form
    368,256.92/552,385.42 = 115,576.40/x
  3. Step 3: Cross multiply
    368,256.92x = 552,385.42 × 115,576.40
  4. Step 4: Simplify right side
    368,256.92x = 63,842,718,256.09
  5. Step 5: Solve for x
    x = 63,842,718,256.09/368,256.92
  6. Step 6: Final answer
    x = 173,364.61

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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.