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Finding the Fourth Proportional to 448,340.67, 618,687.59 and 254,723.00

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Solution

The fourth proportional to 448,340.67, 618,687.59 and 254,723.00 is: 351,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,340.67 : 618,687.59 = 254,723.00 : x
  2. Step 2: Convert to fraction form
    448,340.67/618,687.59 = 254,723.00/x
  3. Step 3: Cross multiply
    448,340.67x = 618,687.59 × 254,723.00
  4. Step 4: Simplify right side
    448,340.67x = 157,593,954,620.52
  5. Step 5: Solve for x
    x = 157,593,954,620.52/448,340.67
  6. Step 6: Final answer
    x = 351,504.93

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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.