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Finding the Fourth Proportional to 355,256.28, 532,876.92 and 115,369.92

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Solution

The fourth proportional to 355,256.28, 532,876.92 and 115,369.92 is: 173,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,256.28 : 532,876.92 = 115,369.92 : x
  2. Step 2: Convert to fraction form
    355,256.28/532,876.92 = 115,369.92/x
  3. Step 3: Cross multiply
    355,256.28x = 532,876.92 × 115,369.92
  4. Step 4: Simplify right side
    355,256.28x = 61,477,967,630.25
  5. Step 5: Solve for x
    x = 61,477,967,630.25/355,256.28
  6. Step 6: Final answer
    x = 173,052.44

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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.