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Finding the Fourth Proportional to 344,956.50, 517,434.78 and 95,638.50

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Solution

The fourth proportional to 344,956.50, 517,434.78 and 95,638.50 is: 143,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,956.50 : 517,434.78 = 95,638.50 : x
  2. Step 2: Convert to fraction form
    344,956.50/517,434.78 = 95,638.50/x
  3. Step 3: Cross multiply
    344,956.50x = 517,434.78 × 95,638.50
  4. Step 4: Simplify right side
    344,956.50x = 49,486,686,207.03
  5. Step 5: Solve for x
    x = 49,486,686,207.03/344,956.50
  6. Step 6: Final answer
    x = 143,457.76

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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.