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Finding the Fourth Proportional to 673,294.50, 929,146.41 and 371,488.50

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Solution

The fourth proportional to 673,294.50, 929,146.41 and 371,488.50 is: 512,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,294.50 : 929,146.41 = 371,488.50 : x
  2. Step 2: Convert to fraction form
    673,294.50/929,146.41 = 371,488.50/x
  3. Step 3: Cross multiply
    673,294.50x = 929,146.41 × 371,488.50
  4. Step 4: Simplify right side
    673,294.50x = 345,167,206,131.29
  5. Step 5: Solve for x
    x = 345,167,206,131.29/673,294.50
  6. Step 6: Final answer
    x = 512,654.13

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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.