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Finding the Fourth Proportional to 577,425.16, 796,864.32 and 322,787.08

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Solution

The fourth proportional to 577,425.16, 796,864.32 and 322,787.08 is: 445,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,425.16 : 796,864.32 = 322,787.08 : x
  2. Step 2: Convert to fraction form
    577,425.16/796,864.32 = 322,787.08/x
  3. Step 3: Cross multiply
    577,425.16x = 796,864.32 × 322,787.08
  4. Step 4: Simplify right side
    577,425.16x = 257,217,507,008.99
  5. Step 5: Solve for x
    x = 257,217,507,008.99/577,425.16
  6. Step 6: Final answer
    x = 445,456.01

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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.