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Finding the Fourth Proportional to 362,402.70, 543,604.05 and 303,791.10

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Solution

The fourth proportional to 362,402.70, 543,604.05 and 303,791.10 is: 455,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,402.70 : 543,604.05 = 303,791.10 : x
  2. Step 2: Convert to fraction form
    362,402.70/543,604.05 = 303,791.10/x
  3. Step 3: Cross multiply
    362,402.70x = 543,604.05 × 303,791.10
  4. Step 4: Simplify right side
    362,402.70x = 165,142,072,313.96
  5. Step 5: Solve for x
    x = 165,142,072,313.96/362,402.70
  6. Step 6: Final answer
    x = 455,686.65

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1.5x scale

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.