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Finding the Fourth Proportional to 364,712.92, 548,031.58 and 196,357.72

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Solution

The fourth proportional to 364,712.92, 548,031.58 and 196,357.72 is: 295,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,712.92 : 548,031.58 = 196,357.72 : x
  2. Step 2: Convert to fraction form
    364,712.92/548,031.58 = 196,357.72/x
  3. Step 3: Cross multiply
    364,712.92x = 548,031.58 × 196,357.72
  4. Step 4: Simplify right side
    364,712.92x = 107,610,231,536.80
  5. Step 5: Solve for x
    x = 107,610,231,536.80/364,712.92
  6. Step 6: Final answer
    x = 295,054.62

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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.