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Finding the Fourth Proportional to 577,272.87, 796,637.72 and 322,624.05

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Solution

The fourth proportional to 577,272.87, 796,637.72 and 322,624.05 is: 445,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,272.87 : 796,637.72 = 322,624.05 : x
  2. Step 2: Convert to fraction form
    577,272.87/796,637.72 = 322,624.05/x
  3. Step 3: Cross multiply
    577,272.87x = 796,637.72 × 322,624.05
  4. Step 4: Simplify right side
    577,272.87x = 257,014,487,609.17
  5. Step 5: Solve for x
    x = 257,014,487,609.17/577,272.87
  6. Step 6: Final answer
    x = 445,221.84

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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.