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Finding the Fourth Proportional to 576,362.52, 795,354.66 and 321,707.88

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Solution

The fourth proportional to 576,362.52, 795,354.66 and 321,707.88 is: 443,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,362.52 : 795,354.66 = 321,707.88 : x
  2. Step 2: Convert to fraction form
    576,362.52/795,354.66 = 321,707.88/x
  3. Step 3: Cross multiply
    576,362.52x = 795,354.66 × 321,707.88
  4. Step 4: Simplify right side
    576,362.52x = 255,871,861,516.72
  5. Step 5: Solve for x
    x = 255,871,861,516.72/576,362.52
  6. Step 6: Final answer
    x = 443,942.58

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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.