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Finding the Fourth Proportional to 577,530.66, 867,081.94 and 324,989.57

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Solution

The fourth proportional to 577,530.66, 867,081.94 and 324,989.57 is: 487,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,530.66 : 867,081.94 = 324,989.57 : x
  2. Step 2: Convert to fraction form
    577,530.66/867,081.94 = 324,989.57/x
  3. Step 3: Cross multiply
    577,530.66x = 867,081.94 × 324,989.57
  4. Step 4: Simplify right side
    577,530.66x = 281,792,584,227.29
  5. Step 5: Solve for x
    x = 281,792,584,227.29/577,530.66
  6. Step 6: Final answer
    x = 487,926.62

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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.