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Finding the Fourth Proportional to 456,162.39, 629,488.22 and 249,435.60

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Solution

The fourth proportional to 456,162.39, 629,488.22 and 249,435.60 is: 344,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,162.39 : 629,488.22 = 249,435.60 : x
  2. Step 2: Convert to fraction form
    456,162.39/629,488.22 = 249,435.60/x
  3. Step 3: Cross multiply
    456,162.39x = 629,488.22 × 249,435.60
  4. Step 4: Simplify right side
    456,162.39x = 157,016,770,601.45
  5. Step 5: Solve for x
    x = 157,016,770,601.45/456,162.39
  6. Step 6: Final answer
    x = 344,212.44

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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.