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Finding the Fourth Proportional to 343,559.70, 515,099.55 and 203,246.10

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Solution

The fourth proportional to 343,559.70, 515,099.55 and 203,246.10 is: 304,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,559.70 : 515,099.55 = 203,246.10 : x
  2. Step 2: Convert to fraction form
    343,559.70/515,099.55 = 203,246.10/x
  3. Step 3: Cross multiply
    343,559.70x = 515,099.55 × 203,246.10
  4. Step 4: Simplify right side
    343,559.70x = 104,691,974,649.26
  5. Step 5: Solve for x
    x = 104,691,974,649.26/343,559.70
  6. Step 6: Final answer
    x = 304,727.17

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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.