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Finding the Fourth Proportional to 456,167.54, 629,485.89 and 252,206.57

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Solution

The fourth proportional to 456,167.54, 629,485.89 and 252,206.57 is: 348,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,167.54 : 629,485.89 = 252,206.57 : x
  2. Step 2: Convert to fraction form
    456,167.54/629,485.89 = 252,206.57/x
  3. Step 3: Cross multiply
    456,167.54x = 629,485.89 × 252,206.57
  4. Step 4: Simplify right side
    456,167.54x = 158,760,477,180.30
  5. Step 5: Solve for x
    x = 158,760,477,180.30/456,167.54
  6. Step 6: Final answer
    x = 348,031.07

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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.