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Finding the Fourth Proportional to 495,515.79, 743,384.45 and 158,576.66

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Solution

The fourth proportional to 495,515.79, 743,384.45 and 158,576.66 is: 237,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,515.79 : 743,384.45 = 158,576.66 : x
  2. Step 2: Convert to fraction form
    495,515.79/743,384.45 = 158,576.66/x
  3. Step 3: Cross multiply
    495,515.79x = 743,384.45 × 158,576.66
  4. Step 4: Simplify right side
    495,515.79x = 117,883,422,644.15
  5. Step 5: Solve for x
    x = 117,883,422,644.15/495,515.79
  6. Step 6: Final answer
    x = 237,900.44

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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.