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Finding the Fourth Proportional to 449,033.58, 673,192.69 and 259,278.53

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Solution

The fourth proportional to 449,033.58, 673,192.69 and 259,278.53 is: 388,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,033.58 : 673,192.69 = 259,278.53 : x
  2. Step 2: Convert to fraction form
    449,033.58/673,192.69 = 259,278.53/x
  3. Step 3: Cross multiply
    449,033.58x = 673,192.69 × 259,278.53
  4. Step 4: Simplify right side
    449,033.58x = 174,544,407,055.79
  5. Step 5: Solve for x
    x = 174,544,407,055.79/449,033.58
  6. Step 6: Final answer
    x = 388,711.26

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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.