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Finding the Fourth Proportional to 468,422.40, 702,961.65 and 202,373.85

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Solution

The fourth proportional to 468,422.40, 702,961.65 and 202,373.85 is: 303,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,422.40 : 702,961.65 = 202,373.85 : x
  2. Step 2: Convert to fraction form
    468,422.40/702,961.65 = 202,373.85/x
  3. Step 3: Cross multiply
    468,422.40x = 702,961.65 × 202,373.85
  4. Step 4: Simplify right side
    468,422.40x = 142,261,055,512.85
  5. Step 5: Solve for x
    x = 142,261,055,512.85/468,422.40
  6. Step 6: Final answer
    x = 303,702.50

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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.