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Finding the Fourth Proportional to 626,546.80, 864,635.57 and 340,067.01

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Solution

The fourth proportional to 626,546.80, 864,635.57 and 340,067.01 is: 469,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,546.80 : 864,635.57 = 340,067.01 : x
  2. Step 2: Convert to fraction form
    626,546.80/864,635.57 = 340,067.01/x
  3. Step 3: Cross multiply
    626,546.80x = 864,635.57 × 340,067.01
  4. Step 4: Simplify right side
    626,546.80x = 294,034,033,029.55
  5. Step 5: Solve for x
    x = 294,034,033,029.55/626,546.80
  6. Step 6: Final answer
    x = 469,293.01

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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.