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Finding the Fourth Proportional to 362,299.29, 543,534.32 and 356,274.51

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Solution

The fourth proportional to 362,299.29, 543,534.32 and 356,274.51 is: 534,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,299.29 : 543,534.32 = 356,274.51 : x
  2. Step 2: Convert to fraction form
    362,299.29/543,534.32 = 356,274.51/x
  3. Step 3: Cross multiply
    362,299.29x = 543,534.32 × 356,274.51
  4. Step 4: Simplify right side
    362,299.29x = 193,647,423,526.18
  5. Step 5: Solve for x
    x = 193,647,423,526.18/362,299.29
  6. Step 6: Final answer
    x = 534,495.73

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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.