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Finding the Fourth Proportional to 344,967.13, 517,455.29 and 108,309.84

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Solution

The fourth proportional to 344,967.13, 517,455.29 and 108,309.84 is: 162,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,967.13 : 517,455.29 = 108,309.84 : x
  2. Step 2: Convert to fraction form
    344,967.13/517,455.29 = 108,309.84/x
  3. Step 3: Cross multiply
    344,967.13x = 517,455.29 × 108,309.84
  4. Step 4: Simplify right side
    344,967.13x = 56,045,499,667.05
  5. Step 5: Solve for x
    x = 56,045,499,667.05/344,967.13
  6. Step 6: Final answer
    x = 162,466.20

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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.