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Finding the Fourth Proportional to 444,801.51, 613,870.04 and 253,843.61

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Solution

The fourth proportional to 444,801.51, 613,870.04 and 253,843.61 is: 350,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,801.51 : 613,870.04 = 253,843.61 : x
  2. Step 2: Convert to fraction form
    444,801.51/613,870.04 = 253,843.61/x
  3. Step 3: Cross multiply
    444,801.51x = 613,870.04 × 253,843.61
  4. Step 4: Simplify right side
    444,801.51x = 155,826,984,589.70
  5. Step 5: Solve for x
    x = 155,826,984,589.70/444,801.51
  6. Step 6: Final answer
    x = 350,329.26

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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.