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Finding the Fourth Proportional to 495,760.70, 743,658.70 and 158,757.57

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Solution

The fourth proportional to 495,760.70, 743,658.70 and 158,757.57 is: 238,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,760.70 : 743,658.70 = 158,757.57 : x
  2. Step 2: Convert to fraction form
    495,760.70/743,658.70 = 158,757.57/x
  3. Step 3: Cross multiply
    495,760.70x = 743,658.70 × 158,757.57
  4. Step 4: Simplify right side
    495,760.70x = 118,061,447,575.63
  5. Step 5: Solve for x
    x = 118,061,447,575.63/495,760.70
  6. Step 6: Final answer
    x = 238,142.00

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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.