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Finding the Fourth Proportional to 577,960.92, 866,943.81 and 157,236.39

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Solution

The fourth proportional to 577,960.92, 866,943.81 and 157,236.39 is: 235,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,960.92 : 866,943.81 = 157,236.39 : x
  2. Step 2: Convert to fraction form
    577,960.92/866,943.81 = 157,236.39/x
  3. Step 3: Cross multiply
    577,960.92x = 866,943.81 × 157,236.39
  4. Step 4: Simplify right side
    577,960.92x = 136,315,115,017.25
  5. Step 5: Solve for x
    x = 136,315,115,017.25/577,960.92
  6. Step 6: Final answer
    x = 235,855.25

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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.