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Finding the Fourth Proportional to 461,993.79, 637,544.70 and 258,047.61

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Solution

The fourth proportional to 461,993.79, 637,544.70 and 258,047.61 is: 356,101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,993.79 : 637,544.70 = 258,047.61 : x
  2. Step 2: Convert to fraction form
    461,993.79/637,544.70 = 258,047.61/x
  3. Step 3: Cross multiply
    461,993.79x = 637,544.70 × 258,047.61
  4. Step 4: Simplify right side
    461,993.79x = 164,516,882,915.44
  5. Step 5: Solve for x
    x = 164,516,882,915.44/461,993.79
  6. Step 6: Final answer
    x = 356,101.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.