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Finding the Fourth Proportional to 341,740.96, 512,625.40 and 117,255.76

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Solution

The fourth proportional to 341,740.96, 512,625.40 and 117,255.76 is: 175,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,740.96 : 512,625.40 = 117,255.76 : x
  2. Step 2: Convert to fraction form
    341,740.96/512,625.40 = 117,255.76/x
  3. Step 3: Cross multiply
    341,740.96x = 512,625.40 × 117,255.76
  4. Step 4: Simplify right side
    341,740.96x = 60,108,280,872.30
  5. Step 5: Solve for x
    x = 60,108,280,872.30/341,740.96
  6. Step 6: Final answer
    x = 175,888.43

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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.