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Finding the Fourth Proportional to 322,729, 484,095.90 and 112,366.60

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Solution

The fourth proportional to 322,729, 484,095.90 and 112,366.60 is: 168,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,729 : 484,095.90 = 112,366.60 : x
  2. Step 2: Convert to fraction form
    322,729/484,095.90 = 112,366.60/x
  3. Step 3: Cross multiply
    322,729x = 484,095.90 × 112,366.60
  4. Step 4: Simplify right side
    322,729x = 54,396,210,356.94
  5. Step 5: Solve for x
    x = 54,396,210,356.94/322,729
  6. Step 6: Final answer
    x = 168,550.74

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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.