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Finding the Fourth Proportional to 543,884.57, 750,319.22 and 362,419.46

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Solution

The fourth proportional to 543,884.57, 750,319.22 and 362,419.46 is: 499,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,884.57 : 750,319.22 = 362,419.46 : x
  2. Step 2: Convert to fraction form
    543,884.57/750,319.22 = 362,419.46/x
  3. Step 3: Cross multiply
    543,884.57x = 750,319.22 × 362,419.46
  4. Step 4: Simplify right side
    543,884.57x = 271,930,286,540.02
  5. Step 5: Solve for x
    x = 271,930,286,540.02/543,884.57
  6. Step 6: Final answer
    x = 499,977.94

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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.