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Finding the Fourth Proportional to 450,605.68, 621,826.44 and 246,651.60

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Solution

The fourth proportional to 450,605.68, 621,826.44 and 246,651.60 is: 340,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,605.68 : 621,826.44 = 246,651.60 : x
  2. Step 2: Convert to fraction form
    450,605.68/621,826.44 = 246,651.60/x
  3. Step 3: Cross multiply
    450,605.68x = 621,826.44 × 246,651.60
  4. Step 4: Simplify right side
    450,605.68x = 153,374,486,348.30
  5. Step 5: Solve for x
    x = 153,374,486,348.30/450,605.68
  6. Step 6: Final answer
    x = 340,374.06

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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.