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Finding the Fourth Proportional to 251,763.45, 377,224.79 and 176,749.30

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Solution

The fourth proportional to 251,763.45, 377,224.79 and 176,749.30 is: 264,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,763.45 : 377,224.79 = 176,749.30 : x
  2. Step 2: Convert to fraction form
    251,763.45/377,224.79 = 176,749.30/x
  3. Step 3: Cross multiply
    251,763.45x = 377,224.79 × 176,749.30
  4. Step 4: Simplify right side
    251,763.45x = 66,674,217,575.15
  5. Step 5: Solve for x
    x = 66,674,217,575.15/251,763.45
  6. Step 6: Final answer
    x = 264,828.82

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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.