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Finding the Fourth Proportional to 566,200.72, 781,382.69 and 351,409.96

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Solution

The fourth proportional to 566,200.72, 781,382.69 and 351,409.96 is: 484,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,200.72 : 781,382.69 = 351,409.96 : x
  2. Step 2: Convert to fraction form
    566,200.72/781,382.69 = 351,409.96/x
  3. Step 3: Cross multiply
    566,200.72x = 781,382.69 × 351,409.96
  4. Step 4: Simplify right side
    566,200.72x = 274,585,659,837.59
  5. Step 5: Solve for x
    x = 274,585,659,837.59/566,200.72
  6. Step 6: Final answer
    x = 484,961.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.