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Finding the Fourth Proportional to 577,435.38, 796,878.45 and 322,797.30

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Solution

The fourth proportional to 577,435.38, 796,878.45 and 322,797.30 is: 445,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,435.38 : 796,878.45 = 322,797.30 : x
  2. Step 2: Convert to fraction form
    577,435.38/796,878.45 = 322,797.30/x
  3. Step 3: Cross multiply
    577,435.38x = 796,878.45 × 322,797.30
  4. Step 4: Simplify right side
    577,435.38x = 257,230,212,088.19
  5. Step 5: Solve for x
    x = 257,230,212,088.19/577,435.38
  6. Step 6: Final answer
    x = 445,470.13

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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.