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Finding the Fourth Proportional to 424,770.93, 637,135.61 and 158,510.69

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Solution

The fourth proportional to 424,770.93, 637,135.61 and 158,510.69 is: 237,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,770.93 : 637,135.61 = 158,510.69 : x
  2. Step 2: Convert to fraction form
    424,770.93/637,135.61 = 158,510.69/x
  3. Step 3: Cross multiply
    424,770.93x = 637,135.61 × 158,510.69
  4. Step 4: Simplify right side
    424,770.93x = 100,992,801,186.44
  5. Step 5: Solve for x
    x = 100,992,801,186.44/424,770.93
  6. Step 6: Final answer
    x = 237,758.27

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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.