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Finding the Fourth Proportional to 576,548.10, 795,637.92 and 321,908.40

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Solution

The fourth proportional to 576,548.10, 795,637.92 and 321,908.40 is: 444,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,548.10 : 795,637.92 = 321,908.40 : x
  2. Step 2: Convert to fraction form
    576,548.10/795,637.92 = 321,908.40/x
  3. Step 3: Cross multiply
    576,548.10x = 795,637.92 × 321,908.40
  4. Step 4: Simplify right side
    576,548.10x = 256,122,529,806.53
  5. Step 5: Solve for x
    x = 256,122,529,806.53/576,548.10
  6. Step 6: Final answer
    x = 444,234.45

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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.