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Finding the Fourth Proportional to 673,242.52, 1,008,990.96 and 273,415

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Solution

The fourth proportional to 673,242.52, 1,008,990.96 and 273,415 is: 409,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,242.52 : 1,008,990.96 = 273,415 : x
  2. Step 2: Convert to fraction form
    673,242.52/1,008,990.96 = 273,415/x
  3. Step 3: Cross multiply
    673,242.52x = 1,008,990.96 × 273,415
  4. Step 4: Simplify right side
    673,242.52x = 275,873,263,328.40
  5. Step 5: Solve for x
    x = 275,873,263,328.40/673,242.52
  6. Step 6: Final answer
    x = 409,768.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.