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Finding the Fourth Proportional to 362,475.31, 543,937.49 and 210,743.80

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Solution

The fourth proportional to 362,475.31, 543,937.49 and 210,743.80 is: 316,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,475.31 : 543,937.49 = 210,743.80 : x
  2. Step 2: Convert to fraction form
    362,475.31/543,937.49 = 210,743.80/x
  3. Step 3: Cross multiply
    362,475.31x = 543,937.49 × 210,743.80
  4. Step 4: Simplify right side
    362,475.31x = 114,631,453,605.06
  5. Step 5: Solve for x
    x = 114,631,453,605.06/362,475.31
  6. Step 6: Final answer
    x = 316,246.24

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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.