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Finding the Fourth Proportional to 323,171.70, 484,458.66 and 165,051.60

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Solution

The fourth proportional to 323,171.70, 484,458.66 and 165,051.60 is: 247,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,171.70 : 484,458.66 = 165,051.60 : x
  2. Step 2: Convert to fraction form
    323,171.70/484,458.66 = 165,051.60/x
  3. Step 3: Cross multiply
    323,171.70x = 484,458.66 × 165,051.60
  4. Step 4: Simplify right side
    323,171.70x = 79,960,676,966.86
  5. Step 5: Solve for x
    x = 79,960,676,966.86/323,171.70
  6. Step 6: Final answer
    x = 247,424.75

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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.