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Finding the Fourth Proportional to 322,525.85, 445,090.95 and 177,337.76

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Solution

The fourth proportional to 322,525.85, 445,090.95 and 177,337.76 is: 244,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,525.85 : 445,090.95 = 177,337.76 : x
  2. Step 2: Convert to fraction form
    322,525.85/445,090.95 = 177,337.76/x
  3. Step 3: Cross multiply
    322,525.85x = 445,090.95 × 177,337.76
  4. Step 4: Simplify right side
    322,525.85x = 78,931,429,843.82
  5. Step 5: Solve for x
    x = 78,931,429,843.82/322,525.85
  6. Step 6: Final answer
    x = 244,729.00

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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.