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Finding the Fourth Proportional to 362,317.70, 543,570.51 and 137,682.02

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Solution

The fourth proportional to 362,317.70, 543,570.51 and 137,682.02 is: 206,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,317.70 : 543,570.51 = 137,682.02 : x
  2. Step 2: Convert to fraction form
    362,317.70/543,570.51 = 137,682.02/x
  3. Step 3: Cross multiply
    362,317.70x = 543,570.51 × 137,682.02
  4. Step 4: Simplify right side
    362,317.70x = 74,839,885,829.23
  5. Step 5: Solve for x
    x = 74,839,885,829.23/362,317.70
  6. Step 6: Final answer
    x = 206,558.74

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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.