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Finding the Fourth Proportional to 362,495.70, 543,743.55 and 303,446.70

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Solution

The fourth proportional to 362,495.70, 543,743.55 and 303,446.70 is: 455,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,495.70 : 543,743.55 = 303,446.70 : x
  2. Step 2: Convert to fraction form
    362,495.70/543,743.55 = 303,446.70/x
  3. Step 3: Cross multiply
    362,495.70x = 543,743.55 × 303,446.70
  4. Step 4: Simplify right side
    362,495.70x = 164,997,185,893.79
  5. Step 5: Solve for x
    x = 164,997,185,893.79/362,495.70
  6. Step 6: Final answer
    x = 455,170.05

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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.