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Finding the Fourth Proportional to 452,174.20, 624,029.90 and 261,195.64

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Solution

The fourth proportional to 452,174.20, 624,029.90 and 261,195.64 is: 360,467.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,174.20 : 624,029.90 = 261,195.64 : x
  2. Step 2: Convert to fraction form
    452,174.20/624,029.90 = 261,195.64/x
  3. Step 3: Cross multiply
    452,174.20x = 624,029.90 × 261,195.64
  4. Step 4: Simplify right side
    452,174.20x = 162,993,889,109.64
  5. Step 5: Solve for x
    x = 162,993,889,109.64/452,174.20
  6. Step 6: Final answer
    x = 360,467.03

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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.