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Finding the Fourth Proportional to 577,291.75, 796,660.62 and 322,642.94

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Solution

The fourth proportional to 577,291.75, 796,660.62 and 322,642.94 is: 445,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,291.75 : 796,660.62 = 322,642.94 : x
  2. Step 2: Convert to fraction form
    577,291.75/796,660.62 = 322,642.94/x
  3. Step 3: Cross multiply
    577,291.75x = 796,660.62 × 322,642.94
  4. Step 4: Simplify right side
    577,291.75x = 257,036,925,828.93
  5. Step 5: Solve for x
    x = 257,036,925,828.93/577,291.75
  6. Step 6: Final answer
    x = 445,246.14

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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.