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Finding the Fourth Proportional to 468,863.64, 703,426.68 and 188,577.72

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Solution

The fourth proportional to 468,863.64, 703,426.68 and 188,577.72 is: 282,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,863.64 : 703,426.68 = 188,577.72 : x
  2. Step 2: Convert to fraction form
    468,863.64/703,426.68 = 188,577.72/x
  3. Step 3: Cross multiply
    468,863.64x = 703,426.68 × 188,577.72
  4. Step 4: Simplify right side
    468,863.64x = 132,650,599,501.57
  5. Step 5: Solve for x
    x = 132,650,599,501.57/468,863.64
  6. Step 6: Final answer
    x = 282,919.36

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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.