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Finding the Fourth Proportional to 424,900.74, 637,460.46 and 125,369.22

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Solution

The fourth proportional to 424,900.74, 637,460.46 and 125,369.22 is: 188,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,900.74 : 637,460.46 = 125,369.22 : x
  2. Step 2: Convert to fraction form
    424,900.74/637,460.46 = 125,369.22/x
  3. Step 3: Cross multiply
    424,900.74x = 637,460.46 × 125,369.22
  4. Step 4: Simplify right side
    424,900.74x = 79,917,920,651.04
  5. Step 5: Solve for x
    x = 79,917,920,651.04/424,900.74
  6. Step 6: Final answer
    x = 188,086.09

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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.