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Finding the Fourth Proportional to 362,495.64, 543,743.82 and 137,803.32

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Solution

The fourth proportional to 362,495.64, 543,743.82 and 137,803.32 is: 206,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,495.64 : 543,743.82 = 137,803.32 : x
  2. Step 2: Convert to fraction form
    362,495.64/543,743.82 = 137,803.32/x
  3. Step 3: Cross multiply
    362,495.64x = 543,743.82 × 137,803.32
  4. Step 4: Simplify right side
    362,495.64x = 74,929,703,625.48
  5. Step 5: Solve for x
    x = 74,929,703,625.48/362,495.64
  6. Step 6: Final answer
    x = 206,705.12

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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.