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Finding the Fourth Proportional to 673,306.50, 929,182.41 and 371,519.94

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Solution

The fourth proportional to 673,306.50, 929,182.41 and 371,519.94 is: 512,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,306.50 : 929,182.41 = 371,519.94 : x
  2. Step 2: Convert to fraction form
    673,306.50/929,182.41 = 371,519.94/x
  3. Step 3: Cross multiply
    673,306.50x = 929,182.41 × 371,519.94
  4. Step 4: Simplify right side
    673,306.50x = 345,209,793,212.26
  5. Step 5: Solve for x
    x = 345,209,793,212.26/673,306.50
  6. Step 6: Final answer
    x = 512,708.24

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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.