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Finding the Fourth Proportional to 543,738.62, 750,568.55 and 362,384.38

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Solution

The fourth proportional to 543,738.62, 750,568.55 and 362,384.38 is: 500,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,738.62 : 750,568.55 = 362,384.38 : x
  2. Step 2: Convert to fraction form
    543,738.62/750,568.55 = 362,384.38/x
  3. Step 3: Cross multiply
    543,738.62x = 750,568.55 × 362,384.38
  4. Step 4: Simplify right side
    543,738.62x = 271,994,317,765.54
  5. Step 5: Solve for x
    x = 271,994,317,765.54/543,738.62
  6. Step 6: Final answer
    x = 500,229.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.