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Finding the Fourth Proportional to 495,870.30, 743,806.53 and 136,046.34

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Solution

The fourth proportional to 495,870.30, 743,806.53 and 136,046.34 is: 204,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,870.30 : 743,806.53 = 136,046.34 : x
  2. Step 2: Convert to fraction form
    495,870.30/743,806.53 = 136,046.34/x
  3. Step 3: Cross multiply
    495,870.30x = 743,806.53 × 136,046.34
  4. Step 4: Simplify right side
    495,870.30x = 101,192,156,074.60
  5. Step 5: Solve for x
    x = 101,192,156,074.60/495,870.30
  6. Step 6: Final answer
    x = 204,069.81

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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.