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Finding the Fourth Proportional to 362,274.70, 543,412.05 and 303,663.10

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Solution

The fourth proportional to 362,274.70, 543,412.05 and 303,663.10 is: 455,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,274.70 : 543,412.05 = 303,663.10 : x
  2. Step 2: Convert to fraction form
    362,274.70/543,412.05 = 303,663.10/x
  3. Step 3: Cross multiply
    362,274.70x = 543,412.05 × 303,663.10
  4. Step 4: Simplify right side
    362,274.70x = 165,014,187,680.36
  5. Step 5: Solve for x
    x = 165,014,187,680.36/362,274.70
  6. Step 6: Final answer
    x = 455,494.65

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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.