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Finding the Fourth Proportional to 495,481.83, 742,960.31 and 195,950.31

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Solution

The fourth proportional to 495,481.83, 742,960.31 and 195,950.31 is: 293,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,481.83 : 742,960.31 = 195,950.31 : x
  2. Step 2: Convert to fraction form
    495,481.83/742,960.31 = 195,950.31/x
  3. Step 3: Cross multiply
    495,481.83x = 742,960.31 × 195,950.31
  4. Step 4: Simplify right side
    495,481.83x = 145,583,302,082.45
  5. Step 5: Solve for x
    x = 145,583,302,082.45/495,481.83
  6. Step 6: Final answer
    x = 293,821.68

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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.