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Finding the Fourth Proportional to 344,914.70, 517,962.45 and 187,450.70

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Solution

The fourth proportional to 344,914.70, 517,962.45 and 187,450.70 is: 281,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,914.70 : 517,962.45 = 187,450.70 : x
  2. Step 2: Convert to fraction form
    344,914.70/517,962.45 = 187,450.70/x
  3. Step 3: Cross multiply
    344,914.70x = 517,962.45 × 187,450.70
  4. Step 4: Simplify right side
    344,914.70x = 97,092,423,826.22
  5. Step 5: Solve for x
    x = 97,092,423,826.22/344,914.70
  6. Step 6: Final answer
    x = 281,496.91

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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.