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Finding the Fourth Proportional to 461,571.95, 637,001.39 and 257,662.67

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Solution

The fourth proportional to 461,571.95, 637,001.39 and 257,662.67 is: 355,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,571.95 : 637,001.39 = 257,662.67 : x
  2. Step 2: Convert to fraction form
    461,571.95/637,001.39 = 257,662.67/x
  3. Step 3: Cross multiply
    461,571.95x = 637,001.39 × 257,662.67
  4. Step 4: Simplify right side
    461,571.95x = 164,131,479,245.30
  5. Step 5: Solve for x
    x = 164,131,479,245.30/461,571.95
  6. Step 6: Final answer
    x = 355,592.40

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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.