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Finding the Fourth Proportional to 622,266.80, 931,067.40 and 566,279.60

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Solution

The fourth proportional to 622,266.80, 931,067.40 and 566,279.60 is: 847,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,266.80 : 931,067.40 = 566,279.60 : x
  2. Step 2: Convert to fraction form
    622,266.80/931,067.40 = 566,279.60/x
  3. Step 3: Cross multiply
    622,266.80x = 931,067.40 × 566,279.60
  4. Step 4: Simplify right side
    622,266.80x = 527,244,474,845.04
  5. Step 5: Solve for x
    x = 527,244,474,845.04/622,266.80
  6. Step 6: Final answer
    x = 847,296.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.