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Finding the Fourth Proportional to 307,435.60, 461,153.40 and 222,798.70

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Solution

The fourth proportional to 307,435.60, 461,153.40 and 222,798.70 is: 334,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,435.60 : 461,153.40 = 222,798.70 : x
  2. Step 2: Convert to fraction form
    307,435.60/461,153.40 = 222,798.70/x
  3. Step 3: Cross multiply
    307,435.60x = 461,153.40 × 222,798.70
  4. Step 4: Simplify right side
    307,435.60x = 102,744,378,020.58
  5. Step 5: Solve for x
    x = 102,744,378,020.58/307,435.60
  6. Step 6: Final answer
    x = 334,198.05

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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.