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Finding the Fourth Proportional to 673,726.46, 929,898.88 and 444,325.20

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Solution

The fourth proportional to 673,726.46, 929,898.88 and 444,325.20 is: 613,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,726.46 : 929,898.88 = 444,325.20 : x
  2. Step 2: Convert to fraction form
    673,726.46/929,898.88 = 444,325.20/x
  3. Step 3: Cross multiply
    673,726.46x = 929,898.88 × 444,325.20
  4. Step 4: Simplify right side
    673,726.46x = 413,177,505,835.78
  5. Step 5: Solve for x
    x = 413,177,505,835.78/673,726.46
  6. Step 6: Final answer
    x = 613,271.90

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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.