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Finding the Fourth Proportional to 323,599.74, 485,354.25 and 136,567.50

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Solution

The fourth proportional to 323,599.74, 485,354.25 and 136,567.50 is: 204,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,599.74 : 485,354.25 = 136,567.50 : x
  2. Step 2: Convert to fraction form
    323,599.74/485,354.25 = 136,567.50/x
  3. Step 3: Cross multiply
    323,599.74x = 485,354.25 × 136,567.50
  4. Step 4: Simplify right side
    323,599.74x = 66,283,616,536.88
  5. Step 5: Solve for x
    x = 66,283,616,536.88/323,599.74
  6. Step 6: Final answer
    x = 204,832.11

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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.