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Finding the Fourth Proportional to 576,043.21, 864,065.25 and 196,966.81

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Solution

The fourth proportional to 576,043.21, 864,065.25 and 196,966.81 is: 295,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,043.21 : 864,065.25 = 196,966.81 : x
  2. Step 2: Convert to fraction form
    576,043.21/864,065.25 = 196,966.81/x
  3. Step 3: Cross multiply
    576,043.21x = 864,065.25 × 196,966.81
  4. Step 4: Simplify right side
    576,043.21x = 170,192,175,924.35
  5. Step 5: Solve for x
    x = 170,192,175,924.35/576,043.21
  6. Step 6: Final answer
    x = 295,450.36

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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.