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Finding the Fourth Proportional to 323,710.02, 485,579.61 and 234,538.74

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Solution

The fourth proportional to 323,710.02, 485,579.61 and 234,538.74 is: 351,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,710.02 : 485,579.61 = 234,538.74 : x
  2. Step 2: Convert to fraction form
    323,710.02/485,579.61 = 234,538.74/x
  3. Step 3: Cross multiply
    323,710.02x = 485,579.61 × 234,538.74
  4. Step 4: Simplify right side
    323,710.02x = 113,887,229,899.09
  5. Step 5: Solve for x
    x = 113,887,229,899.09/323,710.02
  6. Step 6: Final answer
    x = 351,818.67

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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.