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Finding the Fourth Proportional to 362,479.70, 543,792.45 and 303,722.30

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Solution

The fourth proportional to 362,479.70, 543,792.45 and 303,722.30 is: 455,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,479.70 : 543,792.45 = 303,722.30 : x
  2. Step 2: Convert to fraction form
    362,479.70/543,792.45 = 303,722.30/x
  3. Step 3: Cross multiply
    362,479.70x = 543,792.45 × 303,722.30
  4. Step 4: Simplify right side
    362,479.70x = 165,161,893,636.64
  5. Step 5: Solve for x
    x = 165,161,893,636.64/362,479.70
  6. Step 6: Final answer
    x = 455,644.53

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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.