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Finding the Fourth Proportional to 495,887.28, 743,394.88 and 196,578.10

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Solution

The fourth proportional to 495,887.28, 743,394.88 and 196,578.10 is: 294,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,887.28 : 743,394.88 = 196,578.10 : x
  2. Step 2: Convert to fraction form
    495,887.28/743,394.88 = 196,578.10/x
  3. Step 3: Cross multiply
    495,887.28x = 743,394.88 × 196,578.10
  4. Step 4: Simplify right side
    495,887.28x = 146,135,153,060.13
  5. Step 5: Solve for x
    x = 146,135,153,060.13/495,887.28
  6. Step 6: Final answer
    x = 294,694.30

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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.