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Finding the Fourth Proportional to 362,397.46, 543,639.42 and 175,274.50

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Solution

The fourth proportional to 362,397.46, 543,639.42 and 175,274.50 is: 262,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,397.46 : 543,639.42 = 175,274.50 : x
  2. Step 2: Convert to fraction form
    362,397.46/543,639.42 = 175,274.50/x
  3. Step 3: Cross multiply
    362,397.46x = 543,639.42 × 175,274.50
  4. Step 4: Simplify right side
    362,397.46x = 95,286,127,520.79
  5. Step 5: Solve for x
    x = 95,286,127,520.79/362,397.46
  6. Step 6: Final answer
    x = 262,932.66

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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.