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Finding the Fourth Proportional to 468,427.90, 702,969.90 and 202,379.35

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Solution

The fourth proportional to 468,427.90, 702,969.90 and 202,379.35 is: 303,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,427.90 : 702,969.90 = 202,379.35 : x
  2. Step 2: Convert to fraction form
    468,427.90/702,969.90 = 202,379.35/x
  3. Step 3: Cross multiply
    468,427.90x = 702,969.90 × 202,379.35
  4. Step 4: Simplify right side
    468,427.90x = 142,266,591,431.57
  5. Step 5: Solve for x
    x = 142,266,591,431.57/468,427.90
  6. Step 6: Final answer
    x = 303,710.76

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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.