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Finding the Fourth Proportional to 444,894.12, 613,963.80 and 253,903.68

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Solution

The fourth proportional to 444,894.12, 613,963.80 and 253,903.68 is: 350,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,894.12 : 613,963.80 = 253,903.68 : x
  2. Step 2: Convert to fraction form
    444,894.12/613,963.80 = 253,903.68/x
  3. Step 3: Cross multiply
    444,894.12x = 613,963.80 × 253,903.68
  4. Step 4: Simplify right side
    444,894.12x = 155,887,668,206.78
  5. Step 5: Solve for x
    x = 155,887,668,206.78/444,894.12
  6. Step 6: Final answer
    x = 350,392.74

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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.