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Finding the Fourth Proportional to 673,754.96, 929,757.48 and 371,942.48

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Solution

The fourth proportional to 673,754.96, 929,757.48 and 371,942.48 is: 513,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,754.96 : 929,757.48 = 371,942.48 : x
  2. Step 2: Convert to fraction form
    673,754.96/929,757.48 = 371,942.48/x
  3. Step 3: Cross multiply
    673,754.96x = 929,757.48 × 371,942.48
  4. Step 4: Simplify right side
    673,754.96x = 345,816,302,909.75
  5. Step 5: Solve for x
    x = 345,816,302,909.75/673,754.96
  6. Step 6: Final answer
    x = 513,267.17

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1.5x scale

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.