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Finding the Fourth Proportional to 456,429.33, 629,660.39 and 295,336.33

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Solution

The fourth proportional to 456,429.33, 629,660.39 and 295,336.33 is: 407,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,429.33 : 629,660.39 = 295,336.33 : x
  2. Step 2: Convert to fraction form
    456,429.33/629,660.39 = 295,336.33/x
  3. Step 3: Cross multiply
    456,429.33x = 629,660.39 × 295,336.33
  4. Step 4: Simplify right side
    456,429.33x = 185,961,585,678.14
  5. Step 5: Solve for x
    x = 185,961,585,678.14/456,429.33
  6. Step 6: Final answer
    x = 407,426.90

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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.