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Finding the Fourth Proportional to 569,665.18, 855,011.37 and 303,647.26

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Solution

The fourth proportional to 569,665.18, 855,011.37 and 303,647.26 is: 455,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,665.18 : 855,011.37 = 303,647.26 : x
  2. Step 2: Convert to fraction form
    569,665.18/855,011.37 = 303,647.26/x
  3. Step 3: Cross multiply
    569,665.18x = 855,011.37 × 303,647.26
  4. Step 4: Simplify right side
    569,665.18x = 259,621,859,769.35
  5. Step 5: Solve for x
    x = 259,621,859,769.35/569,665.18
  6. Step 6: Final answer
    x = 455,744.65

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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.