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Finding the Fourth Proportional to 341,720.66, 512,676.03 and 149,560.82

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Solution

The fourth proportional to 341,720.66, 512,676.03 and 149,560.82 is: 224,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,720.66 : 512,676.03 = 149,560.82 : x
  2. Step 2: Convert to fraction form
    341,720.66/512,676.03 = 149,560.82/x
  3. Step 3: Cross multiply
    341,720.66x = 512,676.03 × 149,560.82
  4. Step 4: Simplify right side
    341,720.66x = 76,676,244,877.76
  5. Step 5: Solve for x
    x = 76,676,244,877.76/341,720.66
  6. Step 6: Final answer
    x = 224,382.82

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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.