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Finding the Fourth Proportional to 543,171.70, 749,585.16 and 301,469.92

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Solution

The fourth proportional to 543,171.70, 749,585.16 and 301,469.92 is: 416,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,171.70 : 749,585.16 = 301,469.92 : x
  2. Step 2: Convert to fraction form
    543,171.70/749,585.16 = 301,469.92/x
  3. Step 3: Cross multiply
    543,171.70x = 749,585.16 × 301,469.92
  4. Step 4: Simplify right side
    543,171.70x = 225,977,378,218.39
  5. Step 5: Solve for x
    x = 225,977,378,218.39/543,171.70
  6. Step 6: Final answer
    x = 416,033.05

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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.